Need a quick overview? Try the OpenWISP Demo.
OpenWISP RADIUS provides a web interface to a freeradius database, a rich REST HTTP API and features like user self registration, SMS verification, import of users from CSV files, generation of new users for events, social login, and much more.
It can be used as a standalone application or integrated with the rest of OpenWISP. It can also be used as a base system or framework on top of which custom tailored solutions can be built.