Open Source SIEM
Highly configurable SNMPv1/v2c/v3 application-level proxy
Nelmon is a collection of plugins for Nagios and compatible products
Batch system monitoring and archiving
Automated Bitcoin mining monitor and up-time enforcer
School assignment for a simple network traffic analyzer
Bandwidth Monitoring Tool; Console SNMP traffic monitor
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks