VJmachine - Music Visualizer - Make a VJ show like a PRO. Music visualizer for a unique tight symbiosis of sound and video.
MilkDrop - 3D audio visualization plugin, compatible with WinAmp plugin API
Smash Notes - Smash Notes is podcast summaries you can learn from. Create all your summaries on Smash and then distribute them anywhere on social media in one easy step. Even embed it on your podcast website!
Amarok - The Amarok team is proud to announce the immediate availability of the result of 2 years of hard work, the beta release of Amarok 2. 9. This release is marked by improvements, corrections and polishing of nearly all Amarok features.
Slid - Capture knowledge from online videos, courses, and webinars
projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.