| Version | Comments |
| Latest [2.4a] | Windows- NT4 and 2000 Client, rationliased config files, Profiler functionality and cgi scripts |
| [2.3] | Scalable full Client/Server ESM system with server-side web interface for Alerts and System statistics, User defined Alert Handlers for proactive error condition restoration, can also be used standalone. |
| [2.2] | Standalone Topitall, collects performance statistic and generates email and syslog alerts. Statistics stored and displayed for a single machine for one year with rrdtool. |
| 2.1 [Obsolete] | Uses Gnuplot, basic systems statistics stored and displayed |