Tomato is firmware for the WRT54G router. The firmware is simple and it has a very simple and powerful QoS management interface. It enables you do everything you should require from your router. It just lacks VPN and IPv6 support, both functionalities I used on my previous OpenWRT firmware. But with this one, I didn’t have to type a single command line. Here are some screenshots : Sorry for the stupid gray margins.
I like meshed network, I recently discovered a pretty interesting project : It’s the B.A.T.M.A.N. project (better approach to mobile ad-hoc networking). It uses and improved the OLSR protocol specifications. Their creator explain their motivations here. (link is broken) You can find some information on the B.A.T.M.A.N. website.