Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Scala Lang - Scala is a pure-bred object-oriented language that runs on the JVM
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
OCaml - (* Binary tree with leaves carrying an integer.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Snipper.ml - A simple snippet manager in the menubar