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...
Faust Programming Language : Faust (Functional Audio Stream) is a functional programming language for sound synthesis and audio processing with a strong focus on the design of syn...
howdoi : Instant coding answers via the command line.
stylefmt : stylefmt is a tool that automatically formats your stylesheets.