mruby: Embedded version of ruby.
CRuby: Matz's Ruby Interpreter (MRI), C language implementation
JRuby: Based on JVM
Rubinius: LLVM(Low Level Virtual Machine)
Opal: turn Ruby into JavaScript
RubyMotion: write Cocoa native apps in Ruby
Ruby program to Calculate the factorial of given number
Ruby program to add two integer numbers
Ruby program to check whether the given number is palindrome
Ruby program to generate random numbers
Ruby program to check whether the given number is prime or not
How to Sort Array in Ruby?
How to Replace array elements in Ruby?
Creating Array with Array.new(size, obj) in Ruby
Ruby program to check whether the given number is Armstrong
What are the various Ruby runtimes, and how are they different?
How to add/remove elements to Array in Ruby?
How to get index of array element in Ruby
How to Get Input with Gets in Ruby
Ruby program to print Fibonacci series
how to create an array with Array.[](*args) in Ruby ?
Program to Print Triangle of Numbers in Ruby
How to create two dimensional array in ruby?
Ruby program to print an array
What are #method_missing and #send? Why are they useful?
How to shuffle an array in Ruby?
What are some of your favorite gems? What are their alternatives?
What's the difference between a lambda, a block and a proc?
Ruby program to reverse a string