Releases in May 2007 and before

github
ntpsec/ntpsec on GitHub NTP_4_2_5P42
github
FarGroup/FarManager on GitHub builds/1.71.2232 builds/1.80.249
sourceforge
winmerge on SourceForge OldFiles/WinMerge-2.7.3.5-src.zip OldFiles/WinMerge-2.7.3.5-src.7z OldFiles/WinMerge-2.7.3.5-Setup.exe OldFiles/WinMerge-2.7.3.5-exe.zip OldFiles/WinMerge-2.7.3.5-exe.7z OldFiles/Runtimes-2.7.3.5.zip OldFiles/Runtimes-2.7.3.5.7z
github
gregkh/linux on GitHub v2.6.16.52
pypi
loopy on Python PyPI 0.1.0-2 0.1.0-1
github
codership/mysql-wsrep on GitHub mysql-5.1.15-ndb-6.1.10
github
ntpsec/ntpsec on GitHub NTP_4_2_5P41
gnome-gitlab
GNOME/pitivi on Gnome GitLab RELEASE-0_10_3
github
pitivi/pitivi on GitHub RELEASE-0_10_3
sourceforge
skim-app on SourceForge Skim/Skim-0.4.1/Skim-0.4.1.dmg
github
root-project/root on GitHub v5-15-08 v5-14-00f
sourceforge
skim-app on SourceForge Skim/Skim-0.4/Skim-0.4.dmg
github
cms-sw/cmssw on GitHub CMSSW_1_4_2
github
ical4j/ical4j on GitHub ical4j-1_0-beta3
sourceforge
winscp on SourceForge WinSCP/4.0.2 beta/winscp402source.zip
sourceforge
winscp/WinSCP on SourceForge 4.0.2 beta/winscp402source.zip
sourceforge
winscp on SourceForge WinSCP/4.0.2 beta/winscp402setupintl.exe
Maybe you can find something interesting in this list