Refinement types for Scala
Declarative, type-safe web endpoints library
The Flix Programming Language
Apache OpenWhisk is an open source serverless cloud platform
Friendly little parsers
Graphcool is an open-source backend development framework
Arnold Schwarzenegger based programming language
Streaming MapReduce with Scalding and Storm
Scala libraries for building and consuming RESTful web services
The Guardian DotCom
Framework for creating eventually-consistent distributed datastores