| Name | Description |
| Net Log v1.0 | Monitors all sorts of internet related connections including all TCP and UDP sockets (UNIX) |
| nfswatch | Watches connections to Network File Systems (UNIX) |
| TCP Dump | Monitors TCP ports for any connection, and reports a detailed analysis (UNIX) |
| TCP Wrappers v7.6 | Monitors TCP ports for connections (UNIX) |
| ttywatcher v1.1 Beta 1 | Lots of source code for monitoring tty connections (UNIX) |
| Zap v2.0 | Clears utmp and wtmp logs (UNIX) |