Releases in December 2006 and before

github
fvwmorg/fvwm on GitHub fvwm-module-struct-before-merge
github
FarGroup/FarManager on GitHub builds/1.80.181
sourceforge
gscan2pdf on SourceForge gscan2pdf/0.8.7/gscan2pdf-0.8.7-1.noarch.rpm gscan2pdf/0.8.7/gscan2pdf-0.8.7-1.src.rpm gscan2pdf/0.8.7/gscan2pdf-0.8.7.deb gscan2pdf/0.8.7/gscan2pdf-0.8.7.tar.gz
github
fvwmorg/fvwm on GitHub fvwm-module-struct-final
github
lilypond/lilypond on GitHub release/2.11.6-1 release/2.10.6-1
sourceforge
upp on SourceForge OldFiles/upp_0.612.3-1.tar.gz
github
FarGroup/FarManager on GitHub builds/1.80.180
github
fvwmorg/fvwm on GitHub fvwm-module-struct-base
github
ntpsec/ntpsec on GitHub NTP_4_2_5P0
github
chris2511/xca on GitHub RELEASE.0.6.0-beta01
github
ntpsec/ntpsec on GitHub NTP_4_2_5 NTP_4_2_4
github
gregkh/linux on GitHub v2.6.16.37
github
lavv17/lftp on GitHub lftp-3-5-8
github
FarGroup/FarManager on GitHub builds/1.80.179 builds/1.71.2160
github
belaban/JGroups on GitHub JGroups_2_5_0_PREVIEW
github
wxMEdit/wxMEdit on GitHub MadEdit-0.2.6
github
microsoft/git on GitHub v1.5.0-rc0
github
gitster/git on GitHub v1.5.0-rc0
sourceforge
megui on SourceForge megui-stable/0.2.4.1020/MeGUI.NETv2.0_Bins_0.2.4.1020.zip
Maybe you can find something interesting in this list