via factoryjoe: "CSSHttpRequest (CHR) is a method for cross-domain AJAX using CSS for transport."
From the makers of Tomboy: "Erlang-style concurrency with JavaScript". Has support for DOM and AJAX - I am looking forward to Google Gears worker threads support.
A list of impressive showcases what people do with Javascript. Contains autocompletion, form validation, galleries, hyphenation, syntax highlighting, loupes, date and time manipulation, popups and lightboxes, Flash controls, charts.
A GUI designer for Ext JS, allows picking widgets from a toolbox, re-arrangement with drag&drop, editing of properties and download of the JSON code tree.
A new, API-breaking YUI release is coming. Would be interesting to compare what's new there with recent development in Dojo and Ext JS.
5 links here