NetPenguin
NetPenguin consists of 12 network utilities that offer a large viriety of network administration and monitoring services.
Server Maintenance Portal
Dynamically document every NT/2000 server in the domain to an "easy to navigate" web portal. Historical disk space utilization, configuration management, use to rebuild failed systems. System Administrators absolutely love it!
EverWatch Server Monitor
Freeware program to continuously monitor your web server's (or any other server's) up and down time. User-defined polling interval and detailed logging and performance statistics.
LetUknow
LetUknow provides a "peace of mind" method of monitoring your LAN and resources. You can specify numerous jobs and tests in advance on a "set and forget" basis, which LetUknow then runs at regular intervals
LinkFerret-Remote Capture Agent
Remote is an efficient, easy to use, low cost, Ethernet/802.11B capture agent. Network admins may use it in scripts to periodically sample and store network traffic. Non-technical personnel can capture files and automatically forward results.