- An early version is in proto_1. (10/26, jleonard)
- A working semi-compliant version is in proto_3. (11/23, jleonard)
- A version with both static and dynamic linking is in proto_4. (11/30, jleonard)
- The newest version (non-DevMUD) of Chris Gray's telnet code is in net-telnet. (12/3, cg)
- A hybrid of proto_4 and Chris Gray's ToyMUD is in devmud-toy. (12/11, cg)
- A version of proto_4 ported to win32 in proto_4_win32. (12/17, marc)
- A version with rooms and movement is in proto_5. (3/26, jleonard)
- A modified version of proto_5 that uses a memory manager module is in proto_5_a. (4/11, mgritter)
- A version a reworked socket interface is in proto_6. (3/6/2000, jleonard)
- A slightly newer version is in proto_7. (4/9/2000, jleonard)
- A newer version is in proto_8. (6/13/2001, jleonard)
- A newer version is in proto_9. (7/13/2003, jleonard)