Releases in April 2004 and before

github
i2p/i2p.i2p on GitHub i2p_0_3_1
github
GNOME/gtk on GitHub GTK_2_4_1
freedesktop-gitlab
xorg/xserver on Freedesktop GitLab XACE-SELINUX-MERGE
github
WayneD/rsync on GitHub v2.6.2pre1
github
lavv17/le on GitHub le-1-10-1
github
secdev/scapy on GitHub v0.9.16.6
github
thkukuk/ypbind-mt on GitHub ypbind-mt-1_17_3
github
torproject/tor on GitHub debian-version-0.0.5+0.0.6rc3-1
github
FarGroup/FarManager on GitHub builds/1.70.1770
github
OpenNMS/opennms on GitHub bug-jdk142-root
github
torproject/tor on GitHub debian-version-0.0.5+0.0.6rc2-1
github
OpenNMS/opennms on GitHub edwin-buck-branch-root
github
reactos/reactos on GitHub backups/ros-branch-0_2_2@12455 ReactOS-0.2.2
github
lavv17/lftp on GitHub lftp-3-0-3
freedesktop-gitlab
xorg/app/xeyes on Freedesktop GitLab sco_port_update-base rel-0-6-1 lg3d-rel-0-7-0 lg3d-rel-0-6-2 lg3d-base XORG-6_8_99_903 XORG-6_8_99_902 XORG-6_8_99_901 XORG-6_8_99_900 XORG-6_8_99_9
Maybe you can find something interesting in this list