Avast-ng gives you the ability to sift through vast amounts of log files, and display current syslog data which is useful to you. It's a heads up view, that sifts out all the normal flotsam in your log files, and just displays messages which you have defined to be either out of the ordinary or unexpected.
bandwidthd tracks usage of TCP/IP network subnets and builds html files with graphs to display utilization. Charts are built by individual IPs. Color Codes HTTP, TCP,UDP, ICMP, VPN, P2P, etc.
BBclone is a PHP Web counter on steroids, which displays individual logs as well as aggregated data.
Download Monitor Pro
(commercial) Track file downloads on your web site. It counts and provides detailed download statistics with graphs for an unlimited number of files.
Insight logger is an easy to use web site log file analysis tool that produces accurate, high quality graphical visitor reports, or export data to other applications. It is aimed at non-technical users, but can be highly customized by technical users.
KorWeblog is a highly customizable PHP & MySQL weblog.
Nagiosdigger is a powerful web frontend for the logging produced by Nagios. It enables you to dig trough all the data enabling you to quickly determine trends and/or systems with problems.
netcount is a package for logging and displaying PPP network traffic on Linux machines. Logging is done via a small shell script which is called during the ip-up, ip-down and system startup processes and from cron, while analysis and printing is done by a program written in Python.
Octopussy is a Perl/XML syslog analyzer, alerter, and reporter.
online.php analyses /var/log/ppp-usage and displays how many connections you had, how much time you spent online, and what amount of data you sent and received.
Pathalizer is a tool to visualize the paths most users take when browsing a website. This information can then be used to decide how to improve the navigation of the site, and which parts are most worth improving and keeping up to date.
pgFouine is a PostgreSQL log analyzer used to generate detailed reports from a PostgreSQL log file. pgFouine can help you to determine which queries you should optimize to speed up your PostgreSQL based application.
pmacct-fe is a frontend tool for presenting network statistics in tables and plots. It works by reading aggregates stored into a PostgreSQL database by pmacct. Features include user authentication and capabilities, support for multiple observation points and customizable report types.
PyFlag is a Python implementation of Flag - a complete rewrite of FLAG.
referer logger is a simple statistic system written in PHP. It logs all incoming hits to your site and stores referers. szewo referer logger can display a list of top referring domains, list of most recent referring sites and list of top keywords from most popular search engines.
Relax is a free specialized web server log analysis tool for referrer information processing. It answers the question: "Which search engines, search keywords and referring URLs led visitors to your site?
Report Magic for Analog
Report Magic is an add-on for Analog that lets you make great looking reports from the analysis of your logfiles.
Server Logging Operations Platform
Server Logging Operations Platform is a PERL and PHP based engine for the collection of and reporting on logs from various network based devices such as firewalls, switches, and web servers. So far, SLOP supports Checkpoint firewalls and VPNs and Cisco 2900 and 3500 switches.
Shoutstats is a fast, free Shoutcast server statistic analysis program. It produces instant and dynamic usage reports in HTML format, for viewing in a standard browser.
(commercial) Statomatic is a real-time web site statistics software, written in C/C++ for optimal performance. It provides detailed web traffic analysis and on-demand reports in HTML format with interactive pie charts and graphs.
The WebDruid is a web site log file analysis program which produces usage statistics in HTML format for viewing with a browser. The results are presented in both columnar and graphical format, which facilitates interpretation.
Pinpoint exactly who is sending traffic to your web site. Traffic source will record referring URL statistics of web sites that sends visitors to your web site.
W3Perl is a tool to analyse your web activity. It is for the Web / FTP / Squid / CUPS / DHCP and Mail servers. Read more
Webalizer Xtended is an extension of Webalizer, which adds additional monthly statistics for all "404 Not Found" errors found in your server log-file, including the number of the "404 Not Found" requests and the corresponding 404 URLs. It also fixes truncated user agent strings in the "User Agents" statistics, so user agent fields can now be grouped more precisely. It is helpful for detecting and correcting broken links or invasion attempts.