Releases on April 24th, 2010 and before

github
glennrp/libpng on GitHub v1.5.0beta20 v1.4.2rc03 v1.5.0beta19
github
ntpsec/ntpsec on GitHub NTP_4_2_7P26
github
lilypond/lilypond on GitHub release/2.13.19-1
github
torproject/tor on GitHub tor-0.2.2.13-alpha
sourceforge
codeblocks on SourceForge Binaries/Nightlies/2010/CB_20100423_rev6205_mac2811.zip
freedesktop-gitlab
mesa/mesa on Freedesktop GitLab 7.8-branchpoint
github
mantisbt/mantisbt on GitHub release-1.2.1
github
FarGroup/FarManager on GitHub builds/2.0.1518
github
mamedev/mame on GitHub mame0137u3
github
FarGroup/FarManager on GitHub builds/2.0.1517
github
FarGroup/FarManager on GitHub builds/2.0.1516 builds/2.0.1515
github
GNOME/gtk on GitHub NATIVE_LAYOUT_INCUBATOR_BRANCHPOINT
gnome-gitlab
GNOME/gtk on Gnome GitLab NATIVE_LAYOUT_INCUBATOR_BRANCHPOINT
github
ntpsec/ntpsec on GitHub NTP_4_2_7P25
freedesktop-gitlab
xorg/xserver on Freedesktop GitLab xorg-server-1.7.6.902
github
FarGroup/FarManager on GitHub builds/2.0.1514
Maybe you can find something interesting in this list