Radiator RADIUS server is flexible, extensible, and authenticates from a huge range of auth methods, including Wireless, TLS, TTLS, PEAP, LEAP, FAST, SQL, proxy, DBM, files, LDAP, NIS+, password, NT SAM, Emerald, Platypus, Freeside, TACACS+, PAM, external, OPIE, POP3, EAP, Active Directory and Apple Password Server. Interoperates with Vasco Digipass, RSA securID, Yubikey. It runs on Unix, Linux, Solaris, Win95/98/NT/XP/2000/2003/2007, MacOS 9, MacOS X, VMS, and more. Full source provided. Full commercial support available.