TypeScript: a language for application-scale JavaScript development
Say what you want about whether this is a good idea or not, it is clear at least part of MS is really serious about open source.<p>* TypeScript is under the Apache 2.0 license [1]<p>* Source is available via git on Codeplex [2]<p>* Installation is as easy as <i>npm install -g typescript</i> [3]<p>Extra bonus coolness: They've provided an online playground like jsfiddle! [4].<p>[1]<a href="http://typescript.codeplex.com/license" rel="nofollow">http://typescript.codeplex.com/license</a><p>[2]<a href="http://typescript.codeplex.com/SourceControl/changeset/view/d397c54a55db" rel="nofollow">http://typescript.codeplex.com/SourceControl/changeset/view/...</a><p>[3]<a href="http://www.typescriptlang.org/#Download" rel="nofollow">http://www.typescriptlang.org/#Download</a><p>[4]<a href="http://www.typescriptlang.org/Playground/" rel="nofollow">http://www.typescriptlang.org/Playground/</a>