Research In Motion has now announced a new SDK for BlackBerry developers, and the new widget platform is available as of now to download by developers reports Crackberry.

In RIM’s words… A BlackBerry Widget uses the BlackBerry Browser engine to render an application’s user interface using HTML, CSS, and JavaScript. Developers are able to use existing web content to create BlackBerry Widgets and extend the capabilities of their web applications using BlackBerry Widget APIs.

Furthermore, senior VP of BlackBerry platforms, Alan Brenner has said, BlackBerry Widgets open a world of opportunities to developers to create and deliver web apps for BlackBerry which offer advanced, integrated functionality and an always-on experience.