Dart
This article is a stub. You can help the IndieWeb wiki by expanding it with relevant information.
Dart is a language that aimed to be an alternative to javascript with the eventual goal of browser integration. On March 25, 2015, it was announced that it would not be integrated with browsers and would remain a compile-to-javascript language: http://news.dartlang.org/2015/03/dart-for-entire-web.html