Open Source BGP-router?

True, is not being maintained. I would be happy pick up development again and fix some known bugs if someone could provide me with a full BGP feed from a router. This router should not be in a production network and should be able to deal with lots of BGP notifications, session re-establishments and other testing activities.

Ideally, I would like BGP sessions set up with all the different BGP implementations ofcourse but one would already be nice to start with.

- Steven