Simon Willison’s Weblog

24th July 2008 - Link Blog

Silverback has launched! Clearleft’s “guerilla usability” software for OS X Tiger and Leopard—specialist screencasting software optimised for conducting usability tests.

Posted 24th July 2008 at 6:14 pm

Recent articles

Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026

This is a link post by Simon Willison, posted on 24th July 2008.

clearleft 1 screencasting 2 silverback 1 usability 97

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