The new standard in on-premises team collaboration: Nextcloud Hub

[sinichi19]

If I’m not mistaken if you use the OnlyOffice Document Server Community Edition the simultaneous connections is only 20 vs to you will put up your own OnlyOffice Document Server and the simultaneous connections is base on your server hardware

OnlyOffice Document Server

ONLYOFFICE/DocumentServer

OnlyOffice Docement Server Community Edition
https://github.com/ONLYOFFICE/CommunityServer

Thank You