IBM and Compatibles: DOS: CELERITY
Additional Notes:
Ken Sallot writes "Celerity was a forum hack based on the TCS 1.50 source code. It eventually supported multiple-nodes as well, and was probably the most popular forum hack in 1990." (624K) Celerity BBS Version 1.42 (336K) (1.9M) Celerity BBS v2.04 Full Release (1.4M) Celerity BBS v2.01 Release R (1.3M)