Releases in October 2006 and before

github
FarGroup/FarManager on GitHub builds/1.71.2137 builds/1.80.155
github
file/file on GitHub FILE4_18
gitlab
wireshark/wireshark on GitLab wireshark-0.99.4 backups/master-0.99.4@19765
github
wireshark/wireshark on GitHub wireshark-0.99.4 backups/master-0.99.4@19765
github
bminor/binutils-gdb on GitHub binutils-csl-sourcerygxx-4_1-26 binutils-csl-arm-2006q3-26
github
torproject/tor on GitHub tor-0.1.2.3-alpha
github
cms-sw/cmssw on GitHub CMSSW_1_1_1
github
doxygen/doxygen on GitHub Release_1_5_1
github
bminor/binutils-gdb on GitHub binutils-csl-sourcerygxx-4_1-25
sourceforge
gscan2pdf on SourceForge gscan2pdf/0.8.0/gscan2pdf-0.8.0.tar.gz gscan2pdf/0.8.0/gscan2pdf-0.8.0.deb
github
BOINC/boinc on GitHub client_release/5.4/5.4.12
github
BOINC/boinc on GitHub client_release/5.7/5.7.0
github
GNOME/glade on GitHub GLADE3_3_1_0
github
emacs-mirror/emacs on GitHub emacs-pretest-22.0.90
github
GNOME/glade on GitHub GLADE3_3_0_MERGEPOINT_1
github
wine-mirror/wine on GitHub wine-0.9.24
github
zotero/zotero on GitHub 1.0.0b2.r2
Maybe you can find something interesting in this list