Google has been eager to have programmers weave Google Drive sharing and syncing into their apps, but the coveted live collaboration has remained solely in Google’s domain. Until today, that is. The company has posted a Google Drive Realtime API that lets third-party apps integrate the same simultaneous collaboration as Google Drive, including important nuances like conflict resolution and presence. More enterprising coders can create custom objects beyond what Google offers on its own. A handful of companies are already using the Realtime API for apps that everyday users can try right away, such as Draw.io, Gantter and Neutron Drive; other developers just need to visit the source link to get started.
Source: Google Developers