Open Source Log Analysis Software

With the Log Parser one can scan logs, whitelist out legitimate, non-corrupt entries (usually file paths), and apply a standard format to a log generated by any antivirus or malware-removal program. This makes for easier reading of the meat in any log.

Chrono-Stats is a Half-Life:Counter-Strike log parser. What makes it unique from any other, is the built in web panel. It lets you update stats, configurations, and the look of your stats, all through a web based admin panel.

A quick and easy CGI Perl firewall log parser that gives an up to date look at logs created by ipchains. It diplays the firewall logs as a HTML page.

A log parser for Haproxy that provide connection time statistics. Haproxy log parser Embeded email reporting

Postfix Log Parser in Python is a log analysis tool written in python language to get statistic reports and detect anomalous behaviours on a mail server based on Postfix and Cyrus

Apache Log Parser and Data Normalization Application Python handles File Processing & MySQL handles Data Processing ApacheLogs2MySQL consists of two Python Modules & one MySQL Schema to automate importing Access & Error files and normalizing data into database designed for reports & data analysis. Runs on Windows, Linux and MacOS & tested with MySQL versions 8.0.39, 8.4.3, 9.0.0 & 9.1.0. 4 LogFormats & 2 ErrorLogFormats can be loaded and 5 MySQL Stored Procedures can be processed in a single Python `ProcessLogs function` execution. Database system designed to accommodate unlimited domains. Step-by-step guide for easy installation. Web interface with Drill Down Capability and apache/echarts Log Visualization integration in development. MySQL apache_logs schema currently has 49 Tables, 853 Columns, 168 Indexes, 66 Views, 7 Stored Procedures and 43 Functions to process Apache Access log in 4 formats & Apache Error log in 2 formats. Database normalization at work!

devialog is a behavior/anomaly-based syslog intrusion detection system which detects unknown attacks via anomalies in syslog. It can generate signatures for ease of management, act upon anomalies in a predefined fashion or perform as a standard log parser

FastStats is a c-based replacement for HalfStats (http://www.halfstats.com/), a Half-Life log parser and reporting tool.

originally written to gather and group user data from Postfix's mail.info based on a given sasl_user. As it turns out, it works well for searching by message id or anything else useful. It also features, just for fun, ansi colors.