pppusage summarizes average and total transfer volumes, number of connections, and average and total online time for PPP connections. The data is collected by reading the syslog files which contain the ppp[d] messages. A database file is used to store the relevant data. Certain time ranges (that is: a year, month, or day) may be specified on the command line.
hlg is a fast and easy to use tool for quickly auditing the performance of your Web applications. It reads Web logs and generates some interesting statistics, including details about average and peak concurreny (based on overlapping start times and durations), and the average and peak size and duration of requests over time. It is able to group regions based on the URL and produces text or comma-separated reports.
Qmrtg is a modular tool to help monitoring the activity of software processes. It's intended to be used with MRTG. It was originally written for monitoring qmail servers, but its modules are general enough to parse any kind of log file passed through multilog (see daemontools). QMRTG is modular. Each module carries out a different log analysis. A super-module lets the user easily request any analysis without having to know anything about the modules themselves. QMRTG is a modern alternative to qmailmrtg7.
The ProM Import Framework allows you to extract process enactment event logs from a set of information systems. These can be exported in the MXML format, which is the standard event log data format for Process Mining analysis techniques. Process Mining is a family of a-posteriori analysis techniques to extract abstract information from process enactment logs. More in-depth information about the area of process mining is available at processmining.org.
pflogx is a simple tool that exports OpenBSD packet filter logs to XML files. It reads a binary log file generated by the pf logging daemon (pflogd) and generates a human-readable and exploitable XML file. Using an XSLT processor you can convert this XML file to any other format, such as HTML, CSV, or SQL.
FreeBSDShield is a DShield.org reporting client for FreeBSD and the ipfw firewall. It allows you to report attempted security breaches to the DShield cooperative firewall logging effort, which in turn helps the Internet Storm Center (and netizens at large) track trends in network security and catch emerging vulnerabilities.