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JavaScript - Lightweight, interpreted, object-oriented language with first-class functions
C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Lua - Powerful, fast, lightweight, embeddable scripting language
Rust - A safe, concurrent, practical language