[pmontra]

When CRUD is done with a shared spreadsheet (Google Docs, Office 365, etc.) it's a solved problem because a spreadsheet is a total information UI. C = insert row, R = just read the screen, U = type in and other people know where your pointer is, D = delete row.

The problem is when it's done with a database and people cannot see all the information at once. So they cannot see which records other people are working on and coordination is problematic.

A traditional CRUD web app in a shared desktop is a poor man solution that works with parallelism one.

Multimaster CRUD would be the same thing accessed by different people on different computers? 3270 terminals, Windows 95 client/server applications, traditional web and SPAs. I might be wrong but the problem is always who's working on what and how to solve that. Plenty of money thrown to that: management is there also to solve that problem. Talking with colleagues is another part of the solution.