| Name | Vers. | Lang. | Author | URL | License | y | z | 1 | 2 |
| MON | 0.37l | Perl | Jim Trocki | http://consult.ml.org/~trockij/mon/ | GPL | ||||
| NOCOL | 4.2 | C+Perl | Vikas Aggarwal | http://www.netplex-tech.com/software/nocol/ | ? | ||||
| SPONG | 1.1 | Perl | Ed Hill | http://strobe.weeg.uiowa.edu/~edhill/ | Artistic/GPL | ||||
| Sysmon | 78.3 | C | Jared Mauch | http://puck.nether.net/sysmon/ | GPL | ||||
| Big Brother | 1.04 | sh+C | Sean MacGuire | http://ti-s01.iti.qc.ca/users/sean/bb-dnld/ (unreachable afaik) | ? | ||||
| Rover | 4.0 | C | William B. Norton | http://www.merit.edu/internet.tools/rover/ | ? | ||||
| NocMon | 1.3 | Perl+? | Leland E. Vandervort | http://www.discpro.org/~leland/nocmon/ | GPL | ||||