I'm working on a set of tools to share files, to chat , to backup, and to work on documents in a network environment. The SSH protocol is used for the secure connection. Working on documents in a network environment works like (in my idea): - workstations/clients have a frontend, which have a "window" to the document, which stays on the server. The server gives the client the required part of the document the client can read and possibly edit. - what someone from a host can do is arranged in ACL's - it's possible to edit a document with more than one user. Users can contact each other. Now to make this work a backend and a frontend is required. Libreoffice can work as backend, but I want to know it can also work as frontend using the socket. You say that is not possible yet, but is it a lot of work to make lo use a socket? Stef I hope you understand my question a bit more.