Releases on May 1st, 2010 and before

github
LibVNC/libvncserver on GitHub X11VNC_0_9_10
github
orbitalquark/textadept on GitHub textadept_2.2_beta2
sourceforge
skim-app on SourceForge Skim/Skim-1.3.6/ReadMe-1.3.6.txt Skim/Skim-1.3.6/Skim-1.3.6.dmg
github
Juris-M/citeproc-js on GitHub Tagging_version_1.0.5 1.0.5 1.0.4
github
FarGroup/FarManager on GitHub builds/2.0.1533
github
FarGroup/FarManager on GitHub builds/2.0.1532 builds/2.0.1531
github
FarGroup/FarManager on GitHub builds/2.0.1530
sourceforge
winmerge on SourceForge alpha/2.13.12/WinMerge-2.13.12-src.zip alpha/2.13.12/WinMerge-2.13.12-exe.7z alpha/2.13.12/WinMerge-2.13.12-src.7z alpha/2.13.12/WinMerge-2.13.12-exe.zip alpha/2.13.12/readme.txt alpha/2.13.12/WinMerge-2.13.12-x86-Setup.msi alpha/2.13.12/WinMerge-2.13.12-Setup.exe
github
glennrp/libpng on GitHub v1.4.2rc05 v1.5.0beta23
github
lavv17/lftp on GitHub lftp-4-0-7
github
FarGroup/FarManager on GitHub builds/2.0.1529 builds/2.0.1528
Maybe you can find something interesting in this list