Simon Willison’s Weblog

7th July 2009 - Link Blog

Stellarium. Really lovely open source planetarium application, for Linux, OS X and Windows.

Posted 7th July 2009 at 12:37 am

Recent articles

My fireside chat about agentic engineering at the Pragmatic Summit - 14th March 2026
Perhaps not Boring Technology after all - 9th March 2026
Can coding agents relicense open source through a “clean room” implementation of code? - 5th March 2026

This is a link post by Simon Willison, posted on 7th July 2009.

open-source 296 planetarium 1 space 6 stellarium 1

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