Simple, high-reliability, distributed software configuration management. An interesting DSCM system which is bases on a single executable (written in C), uses SQLite as repository and includes both a wiki and a ticket system. Not related to the Plan 9 file system of the same name. https://fossil-scm.org/home/doc/trunk/www/containers.md#security describes some ways to run fossil in a container for improved security. This link was found on the PiDP-11 mailing list https://groups.google.com/g/pidp-11/c/OQADvv-sCzU/m/J7zbwITWAgAJ