Simon Willison’s Weblog

19 Eponymous Laws Of Software Development. I normally loathe anything that’s bundled up as a numbered list, but this one is actually really useful.

Posted 18th July 2007 at 12:29 am

Recent articles

Wilson Lin on FastRender: a browser built by thousands of parallel agents - 23rd January 2026
First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026

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