diff --git a/app/panel/project/project.cpp b/app/panel/project/project.cpp
index 85330009c..2331e6e8a 100644
--- a/app/panel/project/project.cpp
+++ b/app/panel/project/project.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "project.h"
 
 #include <QVBoxLayout>
diff --git a/app/panel/project/project.h b/app/panel/project/project.h
index e779cbbf1..3de458076 100644
--- a/app/panel/project/project.h
+++ b/app/panel/project/project.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef PROJECT_PANEL_H
 #define PROJECT_PANEL_H
 
diff --git a/app/panel/timeline/timeline.cpp b/app/panel/timeline/timeline.cpp
index c2f8083a9..5a05792f2 100644
--- a/app/panel/timeline/timeline.cpp
+++ b/app/panel/timeline/timeline.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "timeline.h"
 
 TimelinePanel::TimelinePanel(QWidget *parent) :
diff --git a/app/panel/timeline/timeline.h b/app/panel/timeline/timeline.h
index 3f8f4ad5a..536566b59 100644
--- a/app/panel/timeline/timeline.h
+++ b/app/panel/timeline/timeline.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef TIMELINE_PANEL_H
 #define TIMELINE_PANEL_H
 
diff --git a/app/panel/tool/tool.cpp b/app/panel/tool/tool.cpp
index 77b742834..d93e98a1f 100644
--- a/app/panel/tool/tool.cpp
+++ b/app/panel/tool/tool.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "tool.h"
 
 #include "core.h"
diff --git a/app/panel/tool/tool.h b/app/panel/tool/tool.h
index e0fcfbbef..7d94f8b48 100644
--- a/app/panel/tool/tool.h
+++ b/app/panel/tool/tool.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef TOOL_PANEL_H
 #define TOOL_PANEL_H
 
diff --git a/app/panel/viewer/viewer.cpp b/app/panel/viewer/viewer.cpp
index 7a659b2fc..04683be36 100644
--- a/app/panel/viewer/viewer.cpp
+++ b/app/panel/viewer/viewer.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "viewer.h"
 
 #include "widget/viewer/viewer.h"
diff --git a/app/panel/viewer/viewer.h b/app/panel/viewer/viewer.h
index 61a53d9a0..7a30bb274 100644
--- a/app/panel/viewer/viewer.h
+++ b/app/panel/viewer/viewer.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef VIEWER_PANEL_H
 #define VIEWER_PANEL_H
 
diff --git a/app/project/item/folder/folder.cpp b/app/project/item/folder/folder.cpp
index ca82c7555..1e187af2f 100644
--- a/app/project/item/folder/folder.cpp
+++ b/app/project/item/folder/folder.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "folder.h"
 
 Folder::Folder()
diff --git a/app/project/item/folder/folder.h b/app/project/item/folder/folder.h
index 7a8bc07df..844794a35 100644
--- a/app/project/item/folder/folder.h
+++ b/app/project/item/folder/folder.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef FOLDER_H
 #define FOLDER_H
 
diff --git a/app/project/item/footage/audiostream.cpp b/app/project/item/footage/audiostream.cpp
index 7174491e3..bbf96b0bf 100644
--- a/app/project/item/footage/audiostream.cpp
+++ b/app/project/item/footage/audiostream.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "audiostream.h"
 
 AudioStream::AudioStream(Footage* footage,
diff --git a/app/project/item/footage/audiostream.h b/app/project/item/footage/audiostream.h
index 7c886f9b5..8e0339007 100644
--- a/app/project/item/footage/audiostream.h
+++ b/app/project/item/footage/audiostream.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef AUDIOSTREAM_H
 #define AUDIOSTREAM_H
 
diff --git a/app/project/item/footage/footage.cpp b/app/project/item/footage/footage.cpp
index b83449d98..098600f51 100644
--- a/app/project/item/footage/footage.cpp
+++ b/app/project/item/footage/footage.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "footage.h"
 
 Footage::Footage()
diff --git a/app/project/item/footage/footage.h b/app/project/item/footage/footage.h
index 9e169c04f..f04cc5a5c 100644
--- a/app/project/item/footage/footage.h
+++ b/app/project/item/footage/footage.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef FOOTAGE_H
 #define FOOTAGE_H
 
diff --git a/app/project/item/footage/videostream.cpp b/app/project/item/footage/videostream.cpp
index ada80cff8..a4bcf3ee7 100644
--- a/app/project/item/footage/videostream.cpp
+++ b/app/project/item/footage/videostream.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "videostream.h"
 
 VideoStream::VideoStream(Footage *footage,
diff --git a/app/project/item/footage/videostream.h b/app/project/item/footage/videostream.h
index e5a57ca61..e6d22f944 100644
--- a/app/project/item/footage/videostream.h
+++ b/app/project/item/footage/videostream.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef VIDEOSTREAM_H
 #define VIDEOSTREAM_H
 
diff --git a/app/project/item/item.cpp b/app/project/item/item.cpp
index 2b82cf023..1cf500531 100644
--- a/app/project/item/item.cpp
+++ b/app/project/item/item.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "item.h"
 
 Item::Item() :
diff --git a/app/project/item/item.h b/app/project/item/item.h
index a069e06c5..96500dce1 100644
--- a/app/project/item/item.h
+++ b/app/project/item/item.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef ITEM_H
 #define ITEM_H
 
diff --git a/app/project/project.cpp b/app/project/project.cpp
index 91aa9c6e2..402983cac 100644
--- a/app/project/project.cpp
+++ b/app/project/project.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "project.h"
 
 Project::Project()
diff --git a/app/project/project.h b/app/project/project.h
index f1e797378..4e4c5100d 100644
--- a/app/project/project.h
+++ b/app/project/project.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef PROJECT_H
 #define PROJECT_H
 
diff --git a/app/project/projectviewmodel.cpp b/app/project/projectviewmodel.cpp
index 7564b4cdd..f54016e90 100644
--- a/app/project/projectviewmodel.cpp
+++ b/app/project/projectviewmodel.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "projectviewmodel.h"
 
 ProjectViewModel::ProjectViewModel(QObject *parent) :
diff --git a/app/project/projectviewmodel.h b/app/project/projectviewmodel.h
index 593a14194..d2c437201 100644
--- a/app/project/projectviewmodel.h
+++ b/app/project/projectviewmodel.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef VIEWMODEL_H
 #define VIEWMODEL_H
 
diff --git a/app/render/gl/glfunc.cpp b/app/render/gl/glfunc.cpp
index a600ecd42..857bebe06 100644
--- a/app/render/gl/glfunc.cpp
+++ b/app/render/gl/glfunc.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "glfunc.h"
 
 #include <QOpenGLFunctions>
diff --git a/app/render/gl/glfunc.h b/app/render/gl/glfunc.h
index 6e516339d..c41f74401 100644
--- a/app/render/gl/glfunc.h
+++ b/app/render/gl/glfunc.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef GLFUNC_H
 #define GLFUNC_H
 
diff --git a/app/render/gl/shadergenerators.cpp b/app/render/gl/shadergenerators.cpp
index b86f2f780..65a0b2280 100644
--- a/app/render/gl/shadergenerators.cpp
+++ b/app/render/gl/shadergenerators.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "shadergenerators.h"
 
 #include <QOpenGLExtraFunctions>
diff --git a/app/render/gl/shadergenerators.h b/app/render/gl/shadergenerators.h
index 3849af85a..acdf8ec51 100644
--- a/app/render/gl/shadergenerators.h
+++ b/app/render/gl/shadergenerators.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef SHADERGENERATORS_H
 #define SHADERGENERATORS_H
 
diff --git a/app/render/gl/shaderptr.h b/app/render/gl/shaderptr.h
index c9cddc9d2..ba091d573 100644
--- a/app/render/gl/shaderptr.h
+++ b/app/render/gl/shaderptr.h
@@ -1,7 +1,7 @@
 /***
 
   Olive - Non-Linear Video Editor
-  Copyright (C) 2019  Olive Team
+  Copyright (C) 2019 Olive Team
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/app/tool/tool.h b/app/tool/tool.h
index 36c3a4b04..e840f8fcd 100644
--- a/app/tool/tool.h
+++ b/app/tool/tool.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef TOOL_H
 #define TOOL_H
 
diff --git a/app/ui/icons/icons.cpp b/app/ui/icons/icons.cpp
index e7a2fe061..792e7b997 100644
--- a/app/ui/icons/icons.cpp
+++ b/app/ui/icons/icons.cpp
@@ -1,6 +1,24 @@
-#include "icons.h"
+/***
 
-#include <QDebug>
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "icons.h"
 
 /// Works in conjunction with `genicons.sh` to generate and utilize icons of specific sizes
 const int ICON_SIZE_COUNT = 4;
diff --git a/app/ui/icons/icons.h b/app/ui/icons/icons.h
index faa6c9199..089c9581a 100644
--- a/app/ui/icons/icons.h
+++ b/app/ui/icons/icons.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef ICONS_H
 #define ICONS_H
 
diff --git a/app/ui/style/style.cpp b/app/ui/style/style.cpp
index 7f16a3128..8a5f35ccf 100644
--- a/app/ui/style/style.cpp
+++ b/app/ui/style/style.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "style.h"
 
 #include <QApplication>
diff --git a/app/ui/style/style.h b/app/ui/style/style.h
index e36961fa3..af0c603c0 100644
--- a/app/ui/style/style.h
+++ b/app/ui/style/style.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef STYLEMANAGER_H
 #define STYLEMANAGER_H
 
diff --git a/app/widget/menu/menu.cpp b/app/widget/menu/menu.cpp
index 880326f93..3d686c280 100644
--- a/app/widget/menu/menu.cpp
+++ b/app/widget/menu/menu.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "menu.h"
 
 #include "ui/style/style.h"
diff --git a/app/widget/menu/menu.h b/app/widget/menu/menu.h
index 079ec5e42..c85acbe1c 100644
--- a/app/widget/menu/menu.h
+++ b/app/widget/menu/menu.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef WIDGETMENU_H
 #define WIDGETMENU_H
 
diff --git a/app/widget/menu/menushared.cpp b/app/widget/menu/menushared.cpp
index 5624737e2..b0e25de02 100644
--- a/app/widget/menu/menushared.cpp
+++ b/app/widget/menu/menushared.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "menushared.h"
 
 MenuShared olive::menu_shared;
diff --git a/app/widget/menu/menushared.h b/app/widget/menu/menushared.h
index 8e5fc00e5..1cf0a57fa 100644
--- a/app/widget/menu/menushared.h
+++ b/app/widget/menu/menushared.h
@@ -1,5 +1,25 @@
-#ifndef MENU_H
-#define MENU_H
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef MENUSHARED_H
+#define MENUSHARED_H
 
 #include "widget/menu/menu.h"
 
@@ -49,4 +69,4 @@ namespace olive {
 extern MenuShared menu_shared;
 }
 
-#endif // MENU_H
+#endif // MENUSHARED_H
diff --git a/app/widget/panel/panel.cpp b/app/widget/panel/panel.cpp
index ad8250f2c..1fe7f5fc6 100644
--- a/app/widget/panel/panel.cpp
+++ b/app/widget/panel/panel.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "panel.h"
 
 PanelWidget::PanelWidget(QWidget *parent) :
diff --git a/app/widget/panel/panel.h b/app/widget/panel/panel.h
index 6a6472955..0a20b9315 100644
--- a/app/widget/panel/panel.h
+++ b/app/widget/panel/panel.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef PANEL_WIDGET_H
 #define PANEL_WIDGET_H
 
diff --git a/app/widget/playbackcontrols/playbackcontrols.cpp b/app/widget/playbackcontrols/playbackcontrols.cpp
index 3ebd7e160..a4a0e4bf4 100644
--- a/app/widget/playbackcontrols/playbackcontrols.cpp
+++ b/app/widget/playbackcontrols/playbackcontrols.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "playbackcontrols.h"
 
 #include <QHBoxLayout>
diff --git a/app/widget/playbackcontrols/playbackcontrols.h b/app/widget/playbackcontrols/playbackcontrols.h
index 9a3feb051..cd948d249 100644
--- a/app/widget/playbackcontrols/playbackcontrols.h
+++ b/app/widget/playbackcontrols/playbackcontrols.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef PLAYBACKCONTROLS_H
 #define PLAYBACKCONTROLS_H
 
diff --git a/app/widget/projectexplorer/projectexplorer.cpp b/app/widget/projectexplorer/projectexplorer.cpp
index 77423b81c..86e864882 100644
--- a/app/widget/projectexplorer/projectexplorer.cpp
+++ b/app/widget/projectexplorer/projectexplorer.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "projectexplorer.h"
 
 ProjectExplorer::ProjectExplorer(QWidget *parent) :
diff --git a/app/widget/projectexplorer/projectexplorer.h b/app/widget/projectexplorer/projectexplorer.h
index 6a8475acb..5390a0a8f 100644
--- a/app/widget/projectexplorer/projectexplorer.h
+++ b/app/widget/projectexplorer/projectexplorer.h
@@ -1,4 +1,24 @@
-#ifndef PROJECTEXPLORER_H
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef PROJECTEXPLORER_H
 #define PROJECTEXPLORER_H
 
 #include <QStackedWidget>
diff --git a/app/widget/projecttoolbar/projecttoolbar.cpp b/app/widget/projecttoolbar/projecttoolbar.cpp
index 6002a727f..b83f72403 100644
--- a/app/widget/projecttoolbar/projecttoolbar.cpp
+++ b/app/widget/projecttoolbar/projecttoolbar.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "projecttoolbar.h"
 
 #include <QHBoxLayout>
diff --git a/app/widget/projecttoolbar/projecttoolbar.h b/app/widget/projecttoolbar/projecttoolbar.h
index f5bd9cdcc..9389ab0d3 100644
--- a/app/widget/projecttoolbar/projecttoolbar.h
+++ b/app/widget/projecttoolbar/projecttoolbar.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef PROJECTTOOLBAR_H
 #define PROJECTTOOLBAR_H
 
diff --git a/app/widget/toolbar/toolbar.cpp b/app/widget/toolbar/toolbar.cpp
index d8ccb988a..79de3dd63 100644
--- a/app/widget/toolbar/toolbar.cpp
+++ b/app/widget/toolbar/toolbar.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "toolbar.h"
 
 #include <QPushButton>
diff --git a/app/widget/toolbar/toolbar.h b/app/widget/toolbar/toolbar.h
index a2222f3fb..3b561a277 100644
--- a/app/widget/toolbar/toolbar.h
+++ b/app/widget/toolbar/toolbar.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef TOOLBAR_H
 #define TOOLBAR_H
 
diff --git a/app/widget/toolbar/toolbarbutton.cpp b/app/widget/toolbar/toolbarbutton.cpp
index 5b297ae41..0b4b140c0 100644
--- a/app/widget/toolbar/toolbarbutton.cpp
+++ b/app/widget/toolbar/toolbarbutton.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "toolbarbutton.h"
 
 ToolbarButton::ToolbarButton(QWidget *parent, const QIcon &icon, const olive::tool::Tool &tool) :
diff --git a/app/widget/toolbar/toolbarbutton.h b/app/widget/toolbar/toolbarbutton.h
index 71a363596..d9da14046 100644
--- a/app/widget/toolbar/toolbarbutton.h
+++ b/app/widget/toolbar/toolbarbutton.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #ifndef TOOLBARBUTTON_H
 #define TOOLBARBUTTON_H
 
diff --git a/app/widget/viewer/viewer.cpp b/app/widget/viewer/viewer.cpp
index 9006e67a8..802fa5718 100644
--- a/app/widget/viewer/viewer.cpp
+++ b/app/widget/viewer/viewer.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "viewer.h"
 
 #include <QVBoxLayout>
diff --git a/app/widget/viewer/viewerglwidget.cpp b/app/widget/viewer/viewerglwidget.cpp
index 7a9c0fee6..ad68ef1af 100644
--- a/app/widget/viewer/viewerglwidget.cpp
+++ b/app/widget/viewer/viewerglwidget.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "viewerglwidget.h"
 
 #include <QOpenGLContext>