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JRuby

A high performance, stable, fully threaded Java implementation of the Ruby programming language
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What is JRuby?

JRuby is the effort to recreate the Ruby (http://www.ruby-lang.org) interpreter in Java. The Java version is tightly integrated with Java to allow both to script any Java class and to embed the interpreter into any Java application. See the docs directory for more information.
JRuby is a tool in the Languages category of a tech stack.
JRuby is an open source tool with 3.6K GitHub stars and 890 GitHub forks. Here’s a link to JRuby's open source repository on GitHub

Who uses JRuby?

Companies
17 companies reportedly use JRuby in their tech stacks, including Soundcloud, Runtastic, and Groupon.com.

Developers
67 developers on StackShare have stated that they use JRuby.

JRuby Integrations

Pros of JRuby
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Java
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Faster than Ruby
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JVM
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Built-in Testing
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Deploy as executable jay
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Open source
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Supports native Ruby gems out the box
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Threads
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Garbage collection built-in
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Great community

JRuby Alternatives & Comparisons

What are some alternatives to JRuby?
Ruby
Ruby is a language of careful balance. Its creator, Yukihiro “Matz” Matsumoto, blended parts of his favorite languages (Perl, Smalltalk, Eiffel, Ada, and Lisp) to form a new language that balanced functional programming with imperative programming.
Groovy
It is a powerful multi-faceted programming language for the JVM platform. It supports a spectrum of programming styles incorporating features from dynamic languages such as optional and duck typing, but also static compilation and static type checking at levels similar to or greater than Java through its extensible static type checker. It aims to greatly increase developer productivity with many powerful features but also a concise, familiar and easy to learn syntax.
Rails
Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.
Go
Go is expressive, concise, clean, and efficient. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel type system enables flexible and modular program construction. Go compiles quickly to machine code yet has the convenience of garbage collection and the power of run-time reflection. It's a fast, statically typed, compiled language that feels like a dynamically typed, interpreted language.
Java
Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!
See all alternatives

JRuby's Followers
82 developers follow JRuby to keep up with related blogs and decisions.