We now officially support Ubuntu, OSX, and of course, Windows! Downloads below.
Note: You don't need to download FLIF_0.1_2015-10-15.zip. This zip contains just the CLI versions for each OS which come built in to the other releases.
This release uses October 15th, 2015 builds of FLIF (v0.1). FLIF files encoded using this version may not be compatible with future versions of FLIF as the format is still being developed. No screenshot in this release as it is visually identical to the previous release.
Edit: Added UGUI_FLIF_0.3.5-win.exe which is a simple installer.