BGP/OSPFv2/OSPFv3/ISIS/RIP/RIPng/PIM routing daemon GNU Quagga is free software which manages TCP/IP based routing protocols. It supports BGP4, BGP4+, OSPFv2, OSPFv3, IS-IS, RIPv1, RIPv2, RIPng and PIM as well as the IPv6 versions of these.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.