OpenIPMP - Open source DRM for MPEG-4 and MPEG-2 adhering to ISO/MPEG IPMP open standards (MPEG IPMP Hooks and IPMP-X), ISMAcryp and OMA DRM 2 specs. Includes CA, PKI, DOI mgmt, ISMA streaming, license server, encoding/encryption, player, plugin architecture, etc
Operating System: 32-bit MS Windows (95/98), All 32-bit MS Windows (95/98/NT/2000/XP), All POSIX (Linux/BSD/UNIX-like OSes), OS X
You can also see the сommercial solutions of the following OMA DRM providers: