jRuby Alternatives for Mac OS X

Java is a general-purpose computer programming language.

JavaScript is a high-level, dynamic, untyped, and interpreted run-time language.

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

Lua is a powerful and fast programming language that is easy to learn and use and to embed into your application.

Scala is a general-purpose programming language providing support for functional programming and a strong static type system.

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

Rebol is a cross-platform data exchange language and a multi-paradigm dynamic programming language.

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

Squirrel is a high level imperative, object-oriented programming language.