Wanna make working with AJAX more simpler? Here is Morfik which is planning to help you out as by the end of the year it would be offering WebOS AppsBuilder 1.0 which is an IDE that enables developers program in familiar languages.

This wonderful product has a visual designer and cross compiling capabilities for programming in Java, C++, VB and Object Pascal. For application deplyoments, an embeddable Firebird database and Apache Web server have also been included. The cool thing is that you are not required learn more languages such as Python or PHP.

Besides this you can develop applications which can function while being away from the internet and later be reconnected. Certainly a good tool as you can build Ajax applications without requiring the need of learning additional languages or server side tools.