Releases in October 2011 and before

github
bminor/binutils-gdb on GitHub sid-snapshot-20111101
github
zopefoundation/Zope on GitHub backups/davisagli-copy-export@123222
github
xwiki/xwiki-platform on GitHub xwiki-platform-3.3-milestone-1
github
nelhage/reptyr on GitHub debian/reptyr-0.3-2
github
datastax/cassandra on GitHub cassandra-0.7.10
github
bestpractical/rt on GitHub rt-3.8.11rc1
github
highcharts/highcharts on GitHub highstock-v1.0.1
github
cgeo/cgeo on GitHub market_20111030
github
FarGroup/FarManager on GitHub builds/3.0.2251
github
datastax/cassandra on GitHub cassandra-1.0.1
github
skyjake/Doomsday-Engine on GitHub build315 build311 build308 build304
github
tahoe-lafs/tahoe-lafs on GitHub allmydata-tahoe-1.9.0
github
emacs-mirror/emacs on GitHub emacs-pretest-24.0.91
github
microsoft/git on GitHub v1.7.8-rc0
Maybe you can find something interesting in this list