Firepad is an open-source collaborative text editor that allows for real-time collaboration. Firepad allows for true collaborative editing. It also supports intelligent operational transform-based merging, conflict resolution, and more. Firepad can render documents with the CodeMirror Ace, Monaco, or Ace editors. Its operational transform code borrows from www.js. Firepad uses the Firebase Realtime Database to store and sync cloud data. Any application that requires collaborative editing text documents can be built. Firepad supports rich text and code editing right out of the box, and it is easy to extend for additional uses. Firepad was developed by Michael Lehenbauer, Firebase's team. Firepad could have many more features. Please star Firepad on GitHub, and send a pull request if you have anything to add! Any application that requires collaboration editing of text documents can be built.