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!
projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.
Slid - Capture knowledge from online videos, courses, and webinars
AutoGram by Headliner - Podcast video clips automatically delivered to your inbox