Sprongo provides ReactiveMongo integration with Spray which makes building a REST API easier
Make your Ember.js web apps crawlable by rendering static HTML on the server.
A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions
Just a responsive jquery markdown editor with instant preview.
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
Spray skeleton project
Lots of patches for scrapy-webdriver.
Scala client for elasticsearch