Unlike Amazon's CloudFront CDN, the AJAX CDN is free for both commercial and non-commercial use and provides caching support for only AJAX libraries such as jQuery and ASP.NET AJAX.

Want to learn AJAX from the ground up? Or polish your developer skills? A free online course begins Aug. 4. Sun Microsystems’ Technology Architect Sang Shin wants to teach you how to effectively use ...

A free new tool, dynaTrace AJAX Edition, provides even more detail for Internet Explorer. I downloaded and tested the tool today, and liked what I saw — especially for free.