Syslog-ng is a very popular replacement for the stock syslogd that comes with most unix-like operating systems. It removes many of the limitations inherent to the stock syslogd, such as directing logs to files based on source or other log characteristics.

Syslog-NG Wiki

Syslog-ng Links

License:

Open Source

Home Page:

http://www.balabit.com/products/syslog_ng/

Installation Instructions:

http://www.balabit.com/products/syslog_ng/reference-2.0/syslog-ng.html/index.html

Support Forums:

http://www.syslog.org/forum/index.php/board,12.0.html

Support Mailing List:

https://lists.balabit.hu/mailman/listinfo/syslog-ng

Syslog-ng Wiki