Firepad : Firepad is an open-source, collaborative code and text editor. It is designed to be embedded inside larger web applications.
Bottery : Bottery is a syntax, editor, and simulator for prototyping generative contextual conversations modeled as finite state machines.
CKEditor : CKEditor is an open source WYSIWYG text editor designed to bring common word processor features directly to web pages, simplifying their content creat...
JS Bin : JS Bin is a tool for experimenting with web languages. In particular HTML, CSS and JavaScript, but JS Bin also supports other languages too (like Mark...
MobWrite converts forms and web applications into collaborative environments. Create a simple single-user system, add one line of JavaScript, and instantly get a collaborative system.