Ruby is a dynamic, reflective, object-oriented, general-purpose programming language.

fish is a smart and user-friendly command line shell for macOS, Linux, and the rest of the family.

Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform.

JRuby is an implementation of the Ruby programming language atop the Java Virtual Machine, written largely in Java. It is free software released under a three…

Kotlin is a statically-typed programming language that runs on the Java virtual machine.

Bash is a Unix shell and command language written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell.

Peppermint is a Code editor for OSX.

Swift is a general-purpose, multi-paradigm, compiled programming language.

repl.it is a cloud coding environment.

Hack is a programming language for HHVM.