Ext JS. Jack Slocum is building a business around his excellent Ext JavaScript library (which can now run on top of YUI, jQuery or Prototype). The library itself is LGPL, but you can pay for a commercial license and support.
Recent articles
- How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025
- A new way to extract detailed transcripts from Claude Code - 25th December 2025
- Cooking with Claude - 23rd December 2025