Imagine you need to create an Ajax application, and you’re scratching your head in frustration since you don’t understand prototype.js, you think using ASP.NET Ajax feels like building a car with scissors and paperclips and you don’t know enough Java to use GWT. If this is your problem, Gaia Ajax Widgets could solve your problem: Gaia abstracts away JavaScript, feels like normal ASP.NET, works on both ASP.NET and Mono—and it’s free software.