An unholy amalgam of therubyracer's V8 engine and emscripted-ruby to allow a truly sandboxed Ruby-on-Ruby environment.
MIT License
The gem that has been saving people from typos since 2014
interactive Ruby
Rubocop for sidekiq
RubyBox allows the execution of untrusted Ruby code safely in a sandbox.
JRuby, an implementation of Ruby on the JVM
RuJIT: a trace based just in time compile for CRuby
Ruby VM in pure Ruby
Compile ruby functions to C
Better error page for Rack apps
rubex - A Ruby-like language for writing Ruby C extensions.
A Ruby VM implemented in JavaScript
An LL(1) parser generator for Ruby.
Gem for racing your Ruby methods.
A Lisp dialect of Ruby
Better way to improve your data structs.