GoAccess is a real-time web log analyzer and interactive viewer
Sends logs to files, sockets, inboxes, databases and web services
AWStats Log Analyzer
Strong Email & Apache Log Analysis with Active Security Features
ISC dhcpd leases usage analysis
Enhanced Apache Server Status page - for one or multiple servers
Apache Log Parser and Data Normalization Application
repair corrupted pcap and pcapng files
Real-time log monitoring in your browser
Real-time traffic analysis for your website for 100% FREE
Open Source SIEM
A decade old shell script to ease postfix log analysis
Python WebServer Log File Analyzer
PHPIDS-based Security Log Analyzer for Apache
web front-end for vnstat
Squid log data warehouse