For collaboration we use a modified version of sharedb (https://github.com/share/sharedb https://github.com/share/sharedb). Its using the operational transforma

For collaboration we use a modified version of sharedb (https://github.com/share/sharedb https://github.com/share/sharedb). Its using the operational transformation algorithm (https://en.m.wikipedia.org/wiki/Operational_transformation https://en.m.wikipedia.org/wiki/Operational_transformation). We will be publishing an article about tech stack at out blog within few days :)