Microsoft SharePoint, Google Workspace, Zimbra Collaboration Suite, WikiSuite, CryptPad, Axigen, Kerio Connect, OBM, grommunio, Twake, Kolab Community, SpreadsheetWeb, Apache James, Kopano, OpenChange, IceWarp, Atmail Email Server, Samepage, CrossBox, Graphite Docs, Arcane Docs, Contactoffice, Linchpin, MyHub, WEBCON Business Process Suite, GMX Online Office, SpinOffice CRM, Unitely, Expanding Communication, Alinto, Mailsite, HyperOffice Collaboration Suite, LeaderSend, Centralpoint, Vcorreio, Emgage Prime, Livetiles, ccGenie, MailShogun are some alternatives to Nextcloud Hub.