| Security Infrastructure Project (CalNet ID, Secure eMail, ...) | 1999-2003 |
| WSS Web Project | 1999-2003 |
| SAFE Software Download Service (develop/support) | 1997-2003 |
| Connecting at Berkeley (Campus Serial/Network Software for PCs) | 1998-2003 |
| IBM 370 Terminal Serial Emulation via Series/1 (ASCII Terminals and PCs) | 1995-2003 |
| Apple Talk IP Router Prototype | 1995? |
| Microsoft TCPIP-32 for Windows | 1994-1997 |
| TCP/IP for DOS/Windows (Packet Drivers, Ungermann-Bass, FTP Software) | 1985-2000 |
| Networking and Communications Classes | 1982-2001 |
| MS-Kermit (and CMS and CP/M Kermit, develop/support) | 1982-1994 |
| Desktop Personal Computer (develop/support/consult) | 1982-2003 |
| Remote Computer System (develop/support) | 1969-1982 |
| Calidoscope CDC 6400 (develop/support/consult/classes) | 1967-1982 |
| IBM 7040/7090 DCS & CDC 6400 Operator | 1966-1967 |