nmon
Description: nmon is a free system monitor tool for the AIX and Linux operating systems. It is used to monitor system performance and resource utilization in real time.
Type: software
Pricing: Free
PushMon
Description: PushMon is an open-source server monitoring and alerting tool. It provides monitoring of servers, services, websites, and applications with notifications when issues occur. Useful for sysadmins and DevOps.
Type: software
Pricing: Open Source