Simon Willison’s Weblog

Twenty questions about the GPL. Jacob kicks off a fascinating discussion about GPLv3.

Posted 13th July 2009 at 11:59 pm

Recent articles

Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025

gpl 4 gpl3 1 jacob-kaplan-moss 54 licenses 7 open-source 276

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