Dust3D is a cross-platform open-source 3D modeling software
This is DVD authoring program with nice and clean GUI
A cross-platform DVD authoring application
The ultimate cataloguer
mythtv frontend for touch screen.
3D Engine with Blender Integration
VideOrasis is management software for dvd/vhs/game rental stores.
Cross platform Virtual Reality authoring and playback
A specialized Qt frontend for FFmpeg and other free media tools
Various multi-platforms projects coded in FreePascal/Lazarus or Qt C++
Pure Data patches for the audiovisual vivarium works
Linux Mint based A/V-System
dvd backup and authoring tools
GTK+ front end for mplayer/mencoder plus more
Free Media Player with video web browser