SproutCore is an open source JavaScript framework. It uses little code and can be used to build thick client applications within your web browser; in fact, SproutCore apps run entirely in your web browser and they often can run without server support.
This leaves the server open for other developments. SproutCore incorporates visual widgets as with other JavaScript frameworks; however it also includes in-memory databases, bindings and controllers. You can see SproutCore at work with their photo app demo. It’s a simple photo manager with toggle view buttons and grid views. It actually resembles iPhoto; there’s a magnification slider and you can sort photos into folders. The SproutCore framework can be downloaded for free.
SproutCore.com In Their Own Words
“SproutCore is a framework for building applications in JavaScript with remarkably little amounts of code. It can help you build full “thick” client applications in the web browser that can create and modify data, often completely independent of your web server, communicating with your server via Ajax only when they need to save or load data.
JavaScript applications are faster, easier to use, and a lot easier to write that complicate Ajax-driven applications. When you use a framework that SproutCore to help you, they can also be a lot of fun to write.”
Why SproutCore.com It Might Be A Killer
SproutCore makes it easier to build thick clients using Javascript. Apps developed with SproutCore run on their own, without requiring users to download plug-ins. Moreover, it’s completely opensource, and it simply makes feature rich app development much simpler.
Some Questions About SproutCore.com
What do you need to run SproutCore? IT seems to lack in some areas, will users find it worth while? 
