myCompiler - Run your favourite programming languages online
Snipper.ml - A simple snippet manager in the menubar
CodeChef IDE - CodeChef IDE is a free online tool for developers helping them in writing codes and programs.
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
Browxy - Browxy is a web application that serves as an integrated development environment where you can write in coding languages, compile them or edit them.
Devhints - TL;DR for developer documentation