Scalatra is one of a new breed of simple, accessible, scalable web frameworks. It combines the power of the JVM with the beauty and brevity of Scala, allowing you to build high-performance web APIs which may be asynchronous or realtime.
It's used in production by LinkedIn, the Guardian newspaper
... [More], games website IGN, and the UK government. It's also a great server-side counterpart to client-side development frameworks such as backbone.js or angular.js. [Less]
Limonade is a PHP micro framework for rapid web development and prototyping.
It’s inspired by frameworks like Sinatra or Camping in Ruby, or Orbit in Lua. It aims to be simple, lightweight and extremly flexible.
Limonade provides a set functions that complete the PHP basic set, while keeping
... [More] consistency with native functions and sitting up on them.
Limonade is easy to learn and provides everything that you can expect from a modern framework (MVC, REST, …) [Less]