Releases in September 2013 and before

github
glennrp/libpng on GitHub v1.7.0beta19
github
glennrp/libpng on GitHub v1.6.7beta01
github
cloudfoundry/bosh on GitHub jenkins-promote_artifacts-103
github
edx/edx-platform on GitHub release-2013-09-30
github
i2p/i2p.i2p on GitHub i2p-0.9.8
sourceforge
skim-app on SourceForge Skim/Skim-1.4.5/ReadMe-1.4.5.txt Skim/Skim-1.4.5/Skim-1.4.5.dmg
github
bzg/org-mode on GitHub release_8.2.1
github
qt/qtdoc on GitHub v5.2.0-alpha1
github
qt/qtbase on GitHub v5.2.0-alpha1
github
qt/qt5 on GitHub v5.2.0-alpha1
github
john9527/asuswrt-merlin on GitHub 3.0.0.4.374.33-Beta5
Maybe you can find something interesting in this list