GF Version 2.8, released 8 July 2007.

The Sourceforge GF site will be soon updated, but has currently only v 2.7 and older versions.

Don't forget that you can always get the current sources from the GF Darcs Repository. First time you do

  darcs get --partial --set-scripts-executable http://www.cs.chalmers.se/Cs/Research/Language-technology/darcs/GF/

and subsequent times

  darcs pull -a