Open-source router firmware

3 router firmware whose code is public under an OSI-approved license, rated for privacy with evidence. Picks first, then by score.

1. OpenWrt Grade B

   Linux distribution for routers and embedded network devices, with a writable file system, a package manager with thousands of add-on packages, and a web interface.

   GPL-2.0. Source code

2. Gargoyle Grade D

   Router firmware based on OpenWrt with a web interface focused on ease of use, offering per-device bandwidth monitoring, quotas, quality of service, website blocking and VPN.

   GPL-2.0, with some components under LGPL-2.1, MIT and BSD-3-Clause. Source code

3. DD-WRT Grade D

   Linux-based replacement firmware for wireless routers, with a web interface for VPN, access control, bandwidth monitoring and quality of service.

   GPL-2.0, based on Linux; source is in the official Subversion repository. Source code

Compare all 5 router firmware, open source or not.