Releases on May 17th, 2011 and before

github
torproject/tor on GitHub tor-0.2.2.26-beta
github
datastax/cassandra on GitHub cassandra-0.8.0-rc1
github
FarGroup/FarManager on GitHub builds/3.0.2033
github
xwiki/xwiki-platform on GitHub xwiki-core-2.7.2
sourceforge
portableapps/Source/CrystalDiskInfo on SourceForge CrystalDiskInfo4_0_0Src.zip
github
glennrp/libpng on GitHub v1.5.3beta09
sourceforge
skim-app on SourceForge Skim/Skim-1.3.14/ReadMe-1.3.14.txt Skim/Skim-1.3.14/Skim-1.3.14.dmg
github
apache/archiva on GitHub archiva-1.3.5
github
i2p/i2p.i2p on GitHub i2p-0.8.6
github
doctrine/orm on GitHub 2.1.0BETA1
github
FarGroup/FarManager on GitHub builds/3.0.2032
github
glennrp/libpng on GitHub v1.5.3beta08
github
ntpsec/ntpsec on GitHub NTP_4_2_7P168 NTP_4_2_6P4_BETA1
github
cms-sw/cmssw on GitHub CMSSW_4_2_3_patch2
github
FarGroup/FarManager on GitHub builds/3.0.2031
github
metabrainz/picard on GitHub release-0.14
sourceforge
album-art on SourceForge album-art-xui/Older/AlbumArtDownloaderXUI-0.38.1.zip album-art-xui/Older/AlbumArtDownloaderXUI-0.38.1.exe
Maybe you can find something interesting in this list