Untangle Network Gateway
Another great open source software.
Untangle is basically a Unified Threat Management (UTM) solution designed for SMBs (up to about 300 users, although there are people who have successfully deployed it in much bigger environments, like this one, for example, with 1600+ users). Untangle packaged all these great open source security software together and then provided a really nice and very intuitive user interface for them simplifying installation and management. They also have commercial …