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.
Doodle : Doodle radically simplifies the process of scheduling events, whether they’re board or team meetings, dinners with friends, reunions, weekend trips, o...
Theia : Theia is an open-source cloud & desktop IDE framework implemented in TypeScript.