JFFNMS is a Network Management System designed to help maintain a network running SNMP, syslog, and/or TACACS+. It can monitor any standards-compliant SNMP device, server, TCP port or custom poller, and also has some Cisco-oriented features.

Its features include:
* written in PHP;
* PHP/cron scripts for polling, analyzing, and consolidating data;
* MySQL or PostgreSQL database back-end;
* configurable event types and severity levels;
* modular and extensible;
* advanced event filter;
* interface, host, and network autodiscovery.