EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
Monaco Editor : The Monaco Editor is the code editor that powers VS Code.
Rich IntelliSense and Validation for TypeScript, JavaScript, CSS, LESS.
Basic Syntax Coloriz...
Conclave : Conclave is a peer-to-peer, real-time, collaborative text editor built from scratch in JavaScript. Intrigued by collaborative text editors such as Goo...
TinaCMS : Tina is an open-source site editing toolkit for React-based sites like Next.js & Gatsby to build content management directly into your website.
Strut : An HTML5 Presentation Editor. A GUI / Authoring Tool for ImpressJS and Bespoke.js
Source at https://github.com/tantaman/Strut
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.