Audio

• Audacity...
• Cubase LE 4 Setup (pdf)
• Lame
• LilyPond Music Notation...
• OpenMPT (pdf)
• SoX - Sound eXchange...
• VST Host...
• Zel Midi Scripting...

Light

• Cuelux...

Video

• Avisynth...
• FFmpeg...
• MeGUI
• VirtualDub

• VideoHelp