Private alternatives to Microsoft Teams

Chats and files sit on Microsoft's servers under your employer's admin control, and the apps send diagnostic data.

Our first swap

Privacy passport

App

2022

2 of 5 checks

Self-hosted

Chat, calls and screen sharing built into Nextcloud, running on a server you or your organisation control.

App

Encrypted messenger and team workspace with calls and file sharing, built on the MLS standard for group encryption.

Service

Video meetings from the Proton Mail team, end-to-end encrypted with the MLS standard; guests join without an account.

Self-hosted

Slack-style workspace with channels, threads and integrations that companies run on their own servers.

Self-hosted

Open-source team chat you can host yourself, with optional end-to-end encrypted rooms and guest access.