Collaborative realtime editor
Any collaborative realtime editor (alternatively spelled, collaborative real-time editor; hereinafter, the Editor) is the document collaboration system that enables realtime, simultaneous, and live editing
a type of collaborative software or web application which enables real-time collaborative editing, simultaneous_editing, or live editing of the same digital document, computer file or cloud-stored data – such as an online spreadsheet, word processing document, database or presentation – at the same time by different users on different computers or mobile devices, with automatic and nearly instantaneous merging of their edits.