Releases in year 2012 and before

github
qpdf/qpdf on GitHub release-qpdf-4.0.0
github
ntpsec/ntpsec on GitHub NTP_4_2_7P342
github
SonarSource/sonarlint-eclipse on GitHub old/3.0.0.20121231-1028-RC2
sourceforge
smplayer on SourceForge Unstable/mplayer2/mplayer2-2.0-704-gbb88251-x86_64.7z Unstable/mplayer2/mplayer2-2.0-704-gbb88251-x86.7z
gems
json on Ruby Gems 1.7.6
sourceforge
winmerge on SourceForge alpha/2.13.21/WinMerge-2.13.21-src.zip alpha/2.13.21/WinMerge-2.13.21-src.7z alpha/2.13.21/WinMerge-2.13.21-exe.zip alpha/2.13.21/readme.txt alpha/2.13.21/WinMerge-2.13.21-exe.7z alpha/2.13.21/WinMerge-2.13.21-Setup.exe
github
FarGroup/FarManager on GitHub builds/3.0.3058
github
ntpsec/ntpsec on GitHub NTP_4_2_7P341
github
FarGroup/FarManager on GitHub builds/3.0.3057 builds/3.0.3056
github
yquake2/yquake2 on GitHub QUAKE2_5_10
Maybe you can find something interesting in this list