Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Rust - A safe, concurrent, practical language
GoCD - Open source continuous delivery tool allows for advanced workflow modeling and dependencies management.
Elixir - Dynamic, functional language designed for building scalable and maintainable applications
JavaScript - Lightweight, interpreted, object-oriented language with first-class functions
Clojure - Clojure is a dynamic, general-purpose programming language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming.