daloRADIUS

daloRADIUS is an advanced RADIUS web platform aimed at managing Hotspots and general-purpose ISP deployments. It features rich user management, graphical reporting, accounting, and integrates with GoogleMaps for geo-locating (GIS). daloRADIUS is written in PHP and JavaScript and utilizes a database abstraction layer which means that it supports many database systems, among them the popular MySQL, PostgreSQL, Sqlite, MsSQL, and many others.

http://www.daloradius.com/