“Symbian today said it will open most of the source code for its mobile operating system to third party developers, in its latest effort to encourage the creation of more software for the platform. The company also announced that German electronics giant Siemens has agreed to buy 5 percent of the company for more than 20-million euros ($17.8 million). The software company, which is co-owned by Psion as well as Sony Ericsson, Nokia, Motorola and others, already provides most of its code to its licensees, and will offer the same access to software developers through a new plan called the “Symbian Platinum Program”. A number of third parties have already committed to joining the program, including Intel, AppForge, Texas Instr. and UK chip-designer ARM Holdings.” Read the rest of the story at ZDNews.