Simon Willison’s Weblog

CKAN - Comprehensive Knowledge Archive Network. Aims to be the “Debian of data”, with apt-get style tools for installing datasets. Presented at Open Tech 2008 by Rufus Pollock.

Posted 5th July 2008 at 3:24 pm

Recent articles

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

ckan 1 data 21 opentech 3 opentech2008 3 rufus-pollock 2

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe