Open Source Windows 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

Screen squid is web-based interface for viewing reports based on Squid proxy server log files. It can be accessed from web-browser through more than 50 reports. No extra files, only DB. All reports generated "on-the-fly". And we got personal cabinet for each user/group.

ProM is the comprehensive, extensible framework for process mining. Process Mining deals with the a-posteriori analysis of (business) processes using enactment logs.

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

The logjana program is a log program for the jana proxy server V2. It splits the main logfile "proxy.log" in timed files. The main logfile "proxy.log" will not be change. For questions send a mail at michael.wiechert(at)goo

This anti-cheating software is used by S4 League client to interface and check in real time XTRAP's features and to report the logs to their remote servers. Details: HGWC Version: 57 Protocol Version: 7

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.

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

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!

(Deprecated for vnstat 2.0+, because of the removal of the --dumpdb feature) jsvnstat is a web frontend for vnstat. It is largely based on javascript, so you can easily switch views without reloading the entire page. The graph is interactive, just hover over a datapoint to see what I'm talking about. Requires: vnstat 1.x, PHP

MRTG Traffic Utilization (mrtgtu) is a simple PHP script that reads your MRTG log files and will display the total amount of traffic for a given time period. Output is in east-to-read HTML and fully customizable via CSS.

Lightweight windows service that monitors your internet connection. And a simple GUI to check the status and uptime of your connection. This software pings several reliable servers (totally configurable) to check if your internet connection is up.