RE: TACACS or Radius daemon on Linux

Does anyone have any experience running a TACACS or Radius daemon on Linux? Where is a good place to find a Linux TACACS or Radius daemon?

http://www.miquels.cistron.nl/radius/

I heard that although TACACS is a Cisco product, Radius has more accounting and statistics capability, runs well on Linux, and will validate for Ciscos.

If Cisco IOS version >=11. Rubens Kuhl Jr.