Gaiware the company behind Gaia Ajax Widgets have released a new version of their Ajax library. the Tranquility release signifies a huge change in code quality, there are more than 100 bugs fixed and as a part of their build process they now have more than 400 automated Unit Tests running. Also their Linux story have been significantly improved. In fact you can now use the *same* .EXE file on both Windows and Linux thanx to Mono.
Many of their samples are seriously updated, among some of them are:
Gaia, Ajax, Widget