Releases in January 2006 and before

gnome-gitlab
GNOME/gnome-terminal on Gnome GitLab GNOME_TERMINAL_2_13_90
github
cms-sw/cmssw on GitHub CMSSW_0_4_0
github
lilypond/lilypond on GitHub release/2.7.30
github
FarGroup/FarManager on GitHub builds/1.70.2071
sourceforge
gparted/gparted on SourceForge gparted-0.2/gparted-0.2.tar.bz2
sourceforge
upp on SourceForge OldFiles/20060129.zip
sourceforge
gnuwin32 on SourceForge gri/2.12.10/gri-2.12.10.exe gri/2.12.10/gri-2.12.10-src.zip gri/2.12.10/gri-2.12.10-src.exe gri/2.12.10/gri-2.12.10-doc.zip gri/2.12.10/gri-2.12.10-dep.zip gri/2.12.10/gri-2.12.10-bin.zip file/4.16-1/file-4.16-1.exe file/4.16-1/file-4.16-1-src.zip file/4.16-1/file-4.16-1-src.exe file/4.16-1/file-4.16-1-lib.zip file/4.16-1/file-4.16-1-doc.zip file/4.16-1/file-4.16-1-dep.zip file/4.16-1/file-4.16-1-bin.zip libiconv/1.9.2-1/libiconv-1.9.2-1.exe libiconv/1.9.2-1/libiconv-1.9.2-1-src.exe libiconv/1.9.2-1/libiconv-1.9.2-1-src.zip libiconv/1.9.2-1/libiconv-1.9.2-1-lib.zip libiconv/1.9.2-1/libiconv-1.9.2-1-doc.zip libiconv/1.9.2-1/libiconv-1.9.2-1-dep.zip libiconv/1.9.2-1/libiconv-1.9.2-1-bin.zip
github
secdev/scapy on GitHub v1.0.3.3 v1.0.3.2
Maybe you can find something interesting in this list