Oh look a shiny new package has appeared for Bellissima.
Content Lock 1.0.0 is now out
* Realtime lock/unlock with SignalR so other users get locked out immediately
* Dashboard - see all locks across the site & users with 'Unlockers' permission can override a lock
* Header App - Number of users online and modal to see who else is online currently
GitHub Repo
https://github.com/warrenbuckley/Umbraco.Community.ContentLock
Nuget
https://www.nuget.org/packages/Umbraco.Community.ContentLock
Give it a whirl and log any issues...
I have plenty more ideas and polish for this but for now just wanted it out the door