repl.it : Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages. including JavaScript, Pytho...
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.
Vector Magic : Easily Convert Bitmap Images To Clean Vector Art
Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector ar...
in:verse : in:verse is a programming language and environment for exploring the conflux of poetry, visuals, mathematics and code.
