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FRRouting vs BIRD: catalog facts
FRRouting	BIRD
Free Free and open source with no paid tier.	Free Free and open source under the GNU General Public License.
Linux, Self-hosted, Command line	Linux, Command line
Supports a wide set of routing protocols in one suite Works with the native Linux and Unix network stack	Supports BGP, OSPF, RIP, BFD and Babel for IPv4 and IPv6 Flexible route filtering language
Requires solid networking knowledge to configure EIGRP and NHRP support is still alpha	Unix-like systems only, no Windows port Configured through text files and a CLI, with no graphical interface
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License not stated	License: GPL
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.