ElbertF/Wappalyzer — pull request #467 by jhewt (2014-03-16 22:42:11+00:00)
Title: Add Dart (JavaScript Framework) detection

Dart is a new programming "language" that can compile to JavaScript and can work with Polymer or Angular, so I am not completely sure if this counts as a JavaScript framework or as a progamming language, it also can run on servers (with a VM).