Releases in July 2004 and before

github
bminor/binutils-gdb on GitHub jimb-gdb_6_2-e500-branchpoint gdb_6_2-20040730-release
github
lilypond/lilypond on GitHub release/2.3.9
github
FarGroup/FarManager on GitHub builds/1.70.1821
github
i2p/i2p.i2p on GitHub i2p_0_3_4
bitbucket
icl/papi on Bitbucket papi-3-0-beta-4
sourceforge
keepass/KeePass 1.x on SourceForge 0.96b/KeePass-0.96b-Src.zip 0.96b/KeePass-0.96b-Setup.exe 0.96b/KeePass-0.96b.zip
bitbucket
icl/papi on Bitbucket perfctr_2_6_9
github
net-snmp/net-snmp on GitHub Ext-5-1-2-rc2
github
secdev/scapy on GitHub v0.9.17.2
gnome-gitlab
GNOME/planner on Gnome GitLab NEW_SCHED_MERGE_2 NEW_SCHED_MERGE_FROM_2
github
reactos/reactos on GitHub backups/vfat_fast_26072004@12471
github
fluffos/fluffos on GitHub fluffos-1.27
gitlab
openldap/openldap on GitLab OPENLDAP_REL_ENG_2_2_15
github
OpenNMS/opennms on GitHub personal-dj-root opennms-1.1.3-1
github
cyrusimap/cyrus-imapd on GitHub cyrus-imapd-2.2.7
github
secdev/scapy on GitHub v0.9.17.1 v0.9.16.18 v0.9.16.17
gnome-gitlab
GNOME/dia on Gnome GitLab DIA_0_94_PRE3
github
GNOME/dia on GitHub DIA_0_94_PRE3
github
FarGroup/FarManager on GitHub builds/1.70.1820 builds/1.70.1819 builds/1.70.1818 builds/1.70.1817 builds/1.70.1816
Maybe you can find something interesting in this list