Releases in April 2007 and before

sourceforge
gscan2pdf on SourceForge gscan2pdf/0.9.9/gscan2pdf-0.9.9-1.noarch.rpm gscan2pdf/0.9.9/gscan2pdf-0.9.9-1.src.rpm gscan2pdf/0.9.9/gscan2pdf-0.9.9.tar.gz gscan2pdf/0.9.9/gscan2pdf_0.9.9_all.deb
github
BOINC/boinc on GitHub client_release/5.9/5.9.5
github
sassoftware/conary on GitHub conary-1.1.24
github
codership/mysql-wsrep on GitHub mysql-5.1.18-ndb-6.2.1
github
openscenegraph/OpenSceneGraph on GitHub OpenSceneGraph-1.9.2
github
breezy-team/breezy on GitHub bzr-svn-0.3.3
github
jabberd2/jabberd2 on GitHub jabberd-2.1-20070429
github
zotero/zotero on GitHub 1.0.0b4.r4
sourceforge
gscan2pdf on SourceForge gscan2pdf/0.9.8/gscan2pdf-0.9.8-1.noarch.rpm gscan2pdf/0.9.8/gscan2pdf-0.9.8-1.src.rpm gscan2pdf/0.9.8/gscan2pdf_0.9.8_all.deb gscan2pdf/0.9.8/gscan2pdf-0.9.8.tar.gz
github
zotero/zotero on GitHub 1.0.0b4.r3
github
tahoe-lafs/tahoe-lafs on GitHub allmydata-tahoe_v0.1.1-1-UNSTABLE
github
gregkh/linux on GitHub v2.6.21.1 v2.6.20.10
sourceforge
nsis on SourceForge NSIS 2/2.26/nsis-2.26-strlen_8192.zip NSIS 2/2.26/nsis-2.26-log.zip NSIS 2/2.26/nsis-2.26.zip NSIS 2/2.26/nsis-2.26-setup.exe NSIS 2/2.26/nsis-2.26-src.tar.bz2
github
wine-mirror/wine on GitHub wine-0.9.36
Maybe you can find something interesting in this list