Simon Willison’s Weblog

Symbian Operating System, Now Open Source and Free. With Symbian now open source, are there any widely used operating systems left (besides Windows) that don’t have an open source core?

Posted 4th February 2010 at 8:38 am

Recent articles

OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025
The ChatGPT sharing dialog demonstrates how difficult it is to design privacy preferences - 3rd August 2025

open-source 262 operatingsystems 1 symbian 1 windows 39

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