ideone.com : Ideone is an online compiler and debugging tool which allows youto compile source code and execute it online in more than 60 programming languages.
repl.it : Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages. including JavaScript, Pytho...
SonarQube : SonarQube is an open source platform for continuous inspection of code quality.
The Crystal Programming Language : Crystal is a programming language with the following goals:
Have a syntax similar to Ruby (but compatibility with it is not a goal)
Statically type-ch...
Coding Dojo : This page is intended as a list of Kata exercises that people have tried at their Dojo meetings, which links to more detailed descriptions of each Kat...
