FRR is a routing software suite, providing implementations of
OSPFv2, OSPFv3, RIP v1 and v2, RIPv3, BGPv4 and experemental ISIS
for Unix platforms, particularly FreeBSD and Linux and also NetBSD, 
to mention a few. 
FRR is a fork of Quagga.

WWW: https://frrouting.org/
