replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
Online Campus - Online campus solution with e-Learning
Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
Elucidat - HTML5 e-learning authoring software for creating amazing and ambitious responsive online and mobile e-learning.
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Geenio - Geenio is a modern cloud LMS for managing the learning process, creating courses and analysing the final results. The new brand of the product is Courselle