Releases on May 23rd, 2012 and before

github
cgeo/cgeo on GitHub market_20120508
github
glennrp/libpng on GitHub v1.6.0beta22
github
sqlcipher/sqlcipher on GitHub v2.0.5_RC2 v2.0.5_RC1
github
FarGroup/FarManager on GitHub builds/3.0.2699 builds/3.0.2698
github
glennrp/libpng on GitHub v1.5.11rc01
github
lilypond/lilypond on GitHub release/2.15.39-1
github
vmware/open-vm-tools on GitHub 2012.05.21-724730
github
eclipse-vertx/vert.x on GitHub _old/v1.0.1.final
github
gispos/AvsPmod on GitHub v2.2.1 v2.2.0 v2.1.8 v2.1.7.1 v2.1.7 v2.1.6 v2.1.5 v2.1.4 v2.1.3 v2.1.2 v2.1.1 v2.1.0 v2.0.9 v2.0.8 v2.0.7 v2.0.6 v2.0.5
Maybe you can find something interesting in this list