Audio Tag Editor
Shotcut is a free, open source, cross-platform video editor.
Graphical editor software for many Boss and Roland effect & synth unit
show and edit eulumdat files
Music score editor
Free yourself
Extensible vector graphics editor with Latex text support.
Playlist Editor
A video-based animated GIF creator
Easy creation of normal maps
Jade is a cross-platform diagram editor built on the Qt framework.
Development has moved to github
free cross-platform music creation software
Interactive designer for Celtic knots
KPEdit - A 2D skeletal animation editor.
Yet another video editor