Box2D is an extremely popular physics engine that has been ported to many languages. DartBox2D is the Dart port.
Rikulo UI is a framework for creating incredible cross-platform Web and native mobile applications using Dart and HTML5.
Rikulo Gap is a bridge implementation of the Apache Cordova mobile framework (a.k.a. PhoneGap) in Dart. It enables developers to access native facilities of multiple mobile platforms using the HTML, CSS, and Dart languages.
Bootjack is a port of Twitter Bootstrap to the Dart world, built upon DQuery. Thanks to the nature of Bootstrap, Bootjack offers rich CSS assets and stylish components in a very non-invasive way.
Rikulo CouchClient is a client SDK that enables aaccess to the NoSQL document database Couchbase in the Dart language.
A Razer device configuration tool.
A cross-browser library for plotting and interactive geometry.