the sexy sysex librarian that Linux needs...
HTML5 Based Subtitle Creation Tool
LDCT is a cross-platform tool for common speaker design calculations.
Analyze and reassemble TS (mpeg transport stream) fragments
Summary
Text-based Music Programming Tools
Package to use RockBand 3 Pro Drumkit and Guitar Hero drumkit via midi
Identify duplicate songs based on track metadata (ID3, etc)
Funcube Dongle Pro+ Data Capture & Audio Output
Synchonize your music with disk, sd cards etc..
Zwicker's Loudness Calculation (ISO532B) Tools