Open Source Log Analysis Software

AWStats is a free powerful and featureful server logfile analyzer that shows you all your Web/Mail/FTP statistics including visits, unique visitors, pages, hits, rush hours, os, browsers, search engines, keywords, robots visits, broken links and more

this tool tries to repair your broken pcap and pcapng files by fixing the global header respectively packet blocks and recovering the packets by searching und guessing the packet headers or blocks

This is yet another simple piece of software that extracts all the basic stats from honeyd’s text-based log files and inserts them in a MySQL database. Then you can run some queries and of course visualize the data if you want to. Many things are hardcoded or dead simple, but it does the job. The file is a modified version of “honeyd_importer” perl script originally writen by Joshua Gimer and shared through “honeypots” mailing list.

Jalli is a little java-based converter for chatlogs. At the moment it supports Pidgin, Empathy and mcabber. But there will follow many - platform-independant - others, I believe.

LifeManager will allow you to log and manage your life in such areas as: Physical exercises, Alimentation, Accounting, Agenda, etc. This is going to be web-based, but in the future may be available as an end user application.

NetProfiler builds a custom filter (BPF) for your network based off of common communications. FilterAnalyze-NetProfiler analyzes the custom filter built by NetProfiler (it may work with other filters as well).

Slickster provides tools for viewing and analyzing Log4J logs in a multi-server distributed environment. Log4J logs are centralized into a database. Logs are viewed through a browser. Logs can be filtered and monitored in real-time.

PHP Daemon & Frontend for Squid Web Proxy Server. Provides both User Based bandwidth Monitoring, and Squid Logfile Analysys. Allows users to generate graphs of traffic usage, based on many different factors.

Feed Squid logs into PostgreSQL database, then use Pentaho BI server for data mining.

A high performance/high availability web tracking server which supports mapping of tracking IDs.

This project is devoted to analyze the log lines from the Wikipedia Squid servers by parsing and filtering their information elements according to the directives specified in an XML file. Resulting info is stored in a MySql db for further analysis.

X-Itools: eXtended Internet Tools. Suite of tools composed of several collaboration modules. Old and initial project born in 1999, 1st published in 2001 on Sourceforge. X-Itools E-mail management module (log analysis) initiated in 2004 with Web 1.0 technologies (private SVN server). X-Itools development restarted since 2011, on the basis of a unique module: E-mail management module (log analysis). Now based on web 2.0 technologies (ExtJS 4.1) and devel restarted because of a particular interest given to it by a world wide Organization (United Nations). Module renamed "X-Itools ELSE", for "X-Itools E-mail Log Search Engine". Some features: Log analysis and correlation of Postfix and Exchange servers, statistics, policy manager, in-deep analysis, automated network graphs for e-mail tracing, CSV export... The Swiss knife of Messaging Admins. In 2015, X-Itools ELSE is no more limited to E-mail logs: Apache logs are also processed and related stats and dashboards will be there!

Provides a common way to measure the time intervals in a kind of log files.