Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX
GoAccess is a real-time web log analyzer and interactive viewer
ISC dhcpd leases usage analysis
A multi-threaded, multi-database tcp-based database insertion app.
Strong Email & Apache Log Analysis with Active Security Features
repair corrupted pcap and pcapng files
Open Source SIEM
A RFC 5424 syslog viewer