The new MeeGo platform, unveiled at the Mobile World Congress in Barcelona, will be used to power phones, netbooks, TVs and in-car entertainment systems.
The world's largest chip maker and the world's largest mobile phone maker have merged operating systems to create a single platform for mobiles.
The open-source software has been created by merging elements of Intel's Moblin and Nokia's Maemo software.
The two firms first announced their intention to collaborate in June 2009.
Ian Fogg, an analyst at Forrester Research, said that the merger was a "bold play" and placed MeeGo into a "competitive position with Android, iPhone OS, Google's Chrome and even desktop software like Ubuntu".
The mobile industry tends to favour chips from UK firm Arm, rather than Intel.