Roundups of self-hosted collaboration software: file sync and share, team chat and full collaboration suites, judged on license and paid editions, architecture and the cost of moving users.
Nextcloud, ownCloud and Seafile compared as self-hosted Dropbox, OneDrive or Google Drive replacements: licenses and paid editions, storage and encryption design, SSO and LDAP, office integration and the hardware and admin time each needs.
Mattermost, Rocket.Chat and Matrix compared as Slack or Teams replacements, with Zulip covered for topic-threaded chat. Looks at licenses and paid tiers, SSO, compliance and retention, federation, mobile push and hosting effort.
Nextcloud, openDesk and Open-Xchange compared as Microsoft 365 or Google Workspace replacements: which components each bundles (files, office, mail, chat, video), licensing and support, sovereignty positioning and the effort to deploy and run each.
Jitsi Meet, BigBlueButton and Nextcloud Talk compared for meetings, classes and calls inside a file platform, with Element Call and LiveKit-based apps such as La Suite Meet named, judged on licensing, server sizing, scaling and recording.
Collabora Online, ONLYOFFICE Docs and Euro-Office compared on format fidelity, editions and support, licensing and fit with file platforms, with CryptPad named for teams that need end-to-end encryption.
mailcow, Stalwart and Mailu compared on components, licensing, resource needs and operating effort, with Mail-in-a-Box and a hand-built Postfix and Dovecot stack named, for teams leaving hosted email.
OX App Suite, grommunio and SOGo compared for mail, calendars and contacts with Outlook and mobile clients, with Zimbra and Carbonio named, judged on licensing, Exchange compatibility and who each is built for.
CryptPad, Etherpad and La Suite Docs compared for real-time writing outside a full office suite: encryption, formats and export, data storage, APIs and the effort to run each.
Synapse, Dendrite and Tuwunel compared on maintenance status, scaling, database options, licensing and Element X support, with Continuwuity named, for teams choosing the server behind a Matrix rollout.
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