RnR ReportGen for Microsoft ISA Server creates reports based on users Internet activity when using ISA server as a proxy server. It takes the log files created by ISA server, creates a searchable database and allows you to display reports and search for information.

Log file parser and reporter for Cisco PIX firewall logs created by a Syslog Daemon like Kiwi Syslog Daemon.
Kiwi Syslog Daemon

Log file parser and reporter for GNATBox firewall logs created by a Syslog Daemon like Kiwi syslog daemon. Shareware. GTA Firewalls running GNAT Box System Software version 3.3 or higher offer WELF certified log formatting.

Log file parser and reporter for GNATBox firewall logs created by a Syslog Daemon like Kiwi Syslog Daemon.

Log file parser and reporter for SonicWall firewall logs created by a Syslog Daemon like Kiwi's Syslog Daemon.
Kiwi Syslog Daemon