Releases on May 16th, 2011 and before

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
github
ntpsec/ntpsec on GitHub NTP_4_2_7P167
github
FarGroup/FarManager on GitHub builds/3.0.2030
github
FarGroup/FarManager on GitHub builds/3.0.2029
sourceforge
album-art on SourceForge album-art-xui/Older/AlbumArtDownloaderXUI-0.38.zip album-art-xui/Older/AlbumArtDownloaderXUI-0.38.exe
sourceforge
codeblocks on SourceForge Binaries/Nightlies/2011/CB_20110514_rev7143_win32.7z
sourceforge
dropit on SourceForge DropIt/v2.5/Readme.txt DropIt/v2.5/DropIt_v2.5_Setup.exe
Maybe you can find something interesting in this list