darktable is an open source photography workflow application
Image management application
2D & 3D TeX-Aware Vector Graphics Language
Display, convert, and edit raster image and vector image files
Qt Visual Graph Editor
A software for the management of a permaculture oriented garden.
Tag FLAC ,Vorbis, Lyrics, WMA, Wavpack, ID3 Tags in a Smarter Way.
Professional quality open source illustration software
Development has moved to github
An open-source cross-platform digital painting / image editing app