"The Linux-based phone, OpenMoko is currently in a patent dispute with Sisvel, as known as Società Italiana per lo Sviluppo dell'Elettronica. Sisvel is Italian patent holding firm well known for its aggressive enforcement of MPEG patents. Sisvel is also currently in a dispute with SanDisk. OpenMoko is a open-source development platform for cell phones. OpenMoko sells the hardware and offers a Linux-based operating system to run on top of it. OpenMoko is known amongst .NET developers as being the first phone to support the Mono runtime."