Open-source systems performance monitor
Lightweight data shippers of the Elastic Stack
SQL operating system instrumentation and monitoring framework
Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
Log analyser for Squid access.log
High capacity syslog data collection, filtering, and management.
Firewall log analyzer
Performance Data collector for Monitoring.
A multi-threaded, multi-database tcp-based database insertion app.
pgBadger is a PostgreSQL log analyzer built for speed.
free netflow analyzer
Wipe erase data from hdds on the network, unlimited hard disks
Logging utility for DB2 for LUW written in SQL-PL
Linux system monitoring tool for multiple hosts
Enterprise-class, distributed monitoring solution for networks & apps
Snare Enterprise: bit.ly/Snare-Trial
centralized syslog-ng monitoring frontend writen in php