Introduction to pfSense

pfSense is an excellent FreeBSD based software routing platform.  It runs on x86 hardware and performs admirably on low end hardware.

pfSense home page:  http://www.pfsense.org
Hardware sizing information:  http://www.pfsense.org/hardware
Download latest version:  http://www.pfsense.org/download 
Community forum:  http://forum.pfsense.org

CIDR Notation Converter:  http://www.ipaddressguide.com/cidr

Youtube video I made about my home pfSense router:



Slide deck on pfSense from FOSSED 2015:

PfSense Introduction FOSSED 2015