Tomato Firmware, an Openwrt/dd-wrt/oleg Alternative

Pretty minimalistic webinterface, nice Bandwidth graphs, good QoS settings, …

Over here you can find it.

Routers that are known to work with Tomato:

• Linksys WRT54G v1-v4, WRT54GS v1-v4, WRT54GL v1.x, WRTSL54GS (no USB support)
• Buffalo WHR-G54S, WHR-HP-G54, WZR-G54, WBR2-G54, WBR-G54, WZR-HP-G54, WZR-RS-G54, WZR-RS-G54HP, WVR-G54-NF, WHR2-A54-G54, WHR3-AG54
• Asus WL500G Premium (no USB support), WL500GE
• Sparklan WX6615GT, Fuji RT390W, Microsoft MN-700