m0n0wall

IPCop Firewall   (Compare Project)

High Activity

Mostly written in C

License: GPL-2.0+

Zeroshell   (Compare Project)

Activity Not Available

License: GPL-2.0+

Firewall Builder   (Compare Project)

Activity Not Available

Mostly written in C++

License: GPL-2.0+

Vyatta   (Compare Project)

Activity Not Available

Mostly written in Perl

License: GPL-2.0+

BSD Router Project   (Compare Project)

Very Low Activity

Mostly written in shell script

License: BSD-3-Clause

IPFire   (Compare Project)

Very High Activity

Mostly written in Perl

License: GPL-3.0+

Hardened Linux   (Compare Project)

Very Low Activity

Mostly written in shell script

License: GPL-2.0+

Network Security & Policy Manager   (Compare Project)

Very Low Activity

Mostly written in PHP

License: GPL-2.0+

firehol   (Compare Project)

Very Low Activity

Mostly written in shell script

License: GPL-2.0+

netsniff-ng   (Compare Project)

High Activity

Mostly written in C

License: GPL-2.0

pfSense   (Compare Project)

Very High Activity

Mostly written in PHP

License: BSD-2-Clause-FreeBSD

SQLite-Ruby   (Compare Project)

Inactive

Mostly written in Ruby

License: BSD-4-Clause-UC

Rockbox   (Compare Project)

High Activity

Mostly written in C

License: GPL-2.0+

Cacti   (Compare Project)

Moderate Activity

Mostly written in PHP

License: GPL-2.0+

mod_ssl   (Compare Project)

Activity Not Available

License: BSD-3-Clause

PHPEclipse   (Compare Project)

Activity Not Available

Mostly written in Java

License: CPL-1.0

SquirrelMail   (Compare Project)

Low Activity

Mostly written in PHP

License: GPL-2.0+

Nagios   (Compare Project)

High Activity

Mostly written in C

License: GPL-2.0+

TortoiseCVS   (Compare Project)

Activity Not Available

Mostly written in C++

License: GPL-2.0+

FreeBSD   (Compare Project)

Very High Activity

Mostly written in C

License: BSD-2-Clause-FreeBSD