Simon Willison’s Weblog

upcalendar. Aaron’s Python S60 app for syncing Upcoming with your phone.

Posted 10th August 2006 at 5:36 pm

Recent articles

Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

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