JRuby vs Node.js: What are the differences?
JRuby: A high performance, stable, fully threaded Java implementation of the Ruby programming language. 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; Node.js: A platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
JRuby can be classified as a tool in the "Languages" category, while Node.js is grouped under "Frameworks (Full Stack)".
"Java" is the primary reason why developers consider JRuby over the competitors, whereas "Npm" was stated as the key factor in picking Node.js.
JRuby and Node.js are both open source tools. It seems that Node.js with 35.5K GitHub stars and 7.78K forks on GitHub has more adoption than JRuby with 3.32K GitHub stars and 829 GitHub forks.
Uber Technologies, Netflix, and Medium are some of the popular companies that use Node.js, whereas JRuby is used by Groupon, Soundcloud, and esa. Node.js has a broader approval, being mentioned in 4104 company stacks & 4036 developers stacks; compared to JRuby, which is listed in 13 company stacks and 4 developer stacks.