FixeEngine's Texture Tools
-Increased productivity: easy to use GUI and cache of recently opened files allows to save lot of time
-Ability to create DXT1 compressed KTX textures (DXT1 compression is the most used format in most games)
That's a plugin based texture editor. Several example (and fully working and usefull ) plugins
are provided in order to let you easily create your own plugin.
The tool is really simple and effective, it took only 2 weeks for writing