JRadius is an open-source Java RADIUS client and server framework. The JRadius client helps you to implement RADIUS authentication and accounting in your Java application. The JRadius server is a RADIUS processing engine accessed through the rlm_jradius module in FreeRADIUS. The core JRadius library is licensed under the GNU Lesser General Public License (LGPL) with certain standalone programs, such as JRadiusSimulator, are released under the GNU General Public License (GPL).

Using JRadius with FreeRADIUS

JRadius Simulator

JRadius and RadSec