CVS: https://www.gnu.org/software/cvs/cvs.html
GATS/SABER: https://saber.gats-inc.com/
Perl: https://www.perl.org/
PostgreSQL: https://postgresql.nextpath.com/
Samba: https://www.samba.org/
VNC: https://www.uk.research.att.com/vnc/
Xmgr: https://plasma-gate.weizmann.ac.il/Xmgr/