...THIS PROJECT HAS BEEN MOVED!!
https://github.com/Lymphatus/caesium-image-compressor
Caesium reduces the size of your picture up to 90%, preserving the original visual quality. Allows you to save a lot of space and easily upload your pictures on the web in a moment. The software is user-friendly with a simple and clear interface.
EnKoDeur-Mixeur (EKD) is an open source software which makes videos, pictures and audio post-production. It can be also used to convert videos in many formats. It is written in python and use the PyQt4 bindings.
This object-oriented python module converts 3D VRML models into Collada and integrates it in Google Earth (GE) through the Keyhole Markup Language (KML). It enables the visualisation of large scale aerial/satellite images in the Geo Browser.
PyPotrace is a Python programming language binding for Peter Selinger's Potrace raster to vector conversion algorithm. No separate Potrace library or application required!
Oh my God i`ts movin - is the Linux only tool for creating animated PNGS. omGim alows you to easilly create and edit existing apng`s with help of GIMP or Inkscape. You can import frames from PNG, SVG, etc.