FreeBSD 1.0 was released in december 1993.
Arla is a free AFS implementation.
Development started in fall 1993 by Björn Grönvall <
> (with an rxkad implantation), he had a working read-only implementation in winter 1994. Quick followers was Assar < > and Johan Danielsson < >. The platform that was chosen was Sparc SunOS4 (the OS that NADA, KTH was using at the time).Source: Arla timeline