Releases in October 2005 and before

sourceforge
upp on SourceForge OldFiles/upp-src-511-beta.zip GPL-sources/SDL-1.2.9/SDL-1.2.9.tar.gz
github
gentoo/portage on GitHub v2.0.53_rc7
github
i2p/i2p.i2p on GitHub i2p_0_6_1_4
github
apache/maven-surefire on GitHub surefire-booter-1.4 surefire-1.4
github
reactos/reactos on GitHub backups/ros-branch-0_2_8@18976 ReactOS-0.2.8
github
GNOME/gimp on GitHub GIMP_2_2_9
github
secdev/scapy on GitHub v1.0.1.4 v1.0.1.3
github
FarGroup/FarManager on GitHub builds/1.70.2053
github
cms-sw/cmssw on GitHub CMSSW_0_2_0_condtest
github
ossec/ossec-hids on GitHub OSSEC_HIDS_0_4
sourceforge
codeblocks on SourceForge OldFiles/codeblocks-1.0rc2_mingw.exe OldFiles/codeblocks-1.0rc2_sdk.tgz OldFiles/codeblocks-1.0rc2.tgz OldFiles/codeblocks-1.0rc2.exe
github
secdev/scapy on GitHub v1.0.1.1 v1.0.0.61
github
FarGroup/FarManager on GitHub builds/1.70.2052
Maybe you can find something interesting in this list