Releases in August 2005 and before

github
mybb/mybb on GitHub mybb_1.00_pr2_public
github
johnsonjh/duma on GitHub VERSION_2_4_17
github
wine-mirror/wine on GitHub wine-20050830
github
GNOME/evince on GitHub GNOME_2_12_BRANCHPOINT
gnome-gitlab
GNOME/evince on Gnome GitLab GNOME_2_12_BRANCHPOINT
github
codership/mysql-wsrep on GitHub clone-4.0.26-build
github
GNOME/gtk on GitHub GTK_2_8_3
sourceforge
cxx on SourceForge CXX/PyCXX V5.3.4/pycxx_5_3_4.tar.gz
github
lilypond/lilypond on GitHub release/2.7.8
github
johnsonjh/duma on GitHub VERSION_2_4_16
github
secdev/scapy on GitHub v1.0.0.20 v1.0.0.19 v1.0.0.18
bitbucket
icl/papi on Bitbucket perfctr-2-6-15
sourceforge
nsis on SourceForge NSIS 2/2.09/nsis-2.09-strlen_8192.zip NSIS 2/2.09/nsis-2.09-src.tar.bz2 NSIS 2/2.09/nsis-2.09-log.zip NSIS 2/2.09/nsis-2.09.zip NSIS 2/2.09/nsis-2.09.exe
github
GNOME/evince on GitHub EVINCE_0_4_0
github
bestpractical/rt on GitHub rt-3.4.4pre3
sourceforge
irrlicht on SourceForge Irrlicht SDK/0.12.0/irrlicht-0.12.0.zip
sourceforge
irrlicht/Irrlicht SDK on SourceForge 0.12.0/irrlicht-0.12.0.zip
sourceforge
winmerge on SourceForge 7-zip-plugin/DllBuild 0014/Merge7z0014-311-426.7z 7-zip-plugin/DllBuild 0014/Merge7zInstaller0014-311-426.exe
Maybe you can find something interesting in this list