# Team chat privacy ratings

Chat and collaboration tools for teams.

| Name | Grade | Jurisdiction | Description |
| --- | --- | --- | --- |
| [Campfire](https://privacyratings.com/team-chat/campfire/) | B (80/100) | United States (Five Eyes) | Self-hosted group chat web app from 37signals with rooms, direct messages, file attachments, search and bot integrations, distributed through ONCE. |
| [Xeres](https://privacyratings.com/team-chat/xeres/) | B (80/100) | Unknown | A decentralized, encrypted P2P friend-to-friend app for chat, forums, channels, boards, voice calls and anonymous file sharing. |
| [Nextcloud Talk](https://privacyratings.com/team-chat/nextcloud-talk/) | C (65/100) | Germany (Fourteen Eyes) | Chat, audio and video call app for Nextcloud servers, with group conversations, screen sharing, desktop and mobile clients, and optional federation between servers. |
| [Stoat](https://privacyratings.com/team-chat/stoat/) | C (65/100) | United Kingdom (Five Eyes) | Open source chat platform for friends and communities with servers, channels, direct messages and voice chat, formerly named Revolt. The server software can be self-hosted. |
| [Zulip](https://privacyratings.com/team-chat/zulip/) | C (65/100) | United States (Five Eyes) | Open source team chat that organizes conversations into channels and named topics. It can be self-hosted or used as the Zulip Cloud service run by Kandra Labs. |
| [Element](https://privacyratings.com/team-chat/element/) | C (60/100) | United Kingdom (Five Eyes) | Matrix client for web, desktop and mobile with end-to-end encrypted chats, group rooms, file sharing and voice and video calls. Built by Element, which also sells hosted and self-hosted Matrix servers. |
| [Rocket.Chat](https://privacyratings.com/team-chat/rocket-chat/) | D (50/100) | United States (Five Eyes) | Self-hostable team chat platform with web, desktop and mobile apps, federation and many integrations. End-to-end encryption is available but off by default, so workspace admins can otherwise read messages. |
| [Mattermost](https://privacyratings.com/team-chat/mattermost/) | D (45/100) | United States (Five Eyes) | Self-hostable team chat with channels, threads, calls and integrations, with desktop, mobile and web apps. Messages are not end-to-end encrypted, and server telemetry is on by default but can be turned off. |
| [Microsoft Teams](https://privacyratings.com/team-chat/microsoft-teams/) | F (30/100) | United States (Five Eyes) | Microsoft's workplace chat and meeting app with channels, direct messages, video calls and file sharing, part of Microsoft 365, with a free tier for personal use. |
| [Slack](https://privacyratings.com/team-chat/slack/) | F (20/100) | United States (Five Eyes) | Team messaging app with channels, direct messages, voice and video huddles, file sharing and integrations, owned by Salesforce. |
| [Discord](https://privacyratings.com/team-chat/discord/) | F (0/100) | United States (Five Eyes) | Voice, video and text chat app organized into community servers and channels, with direct messages and screen sharing. |

## Criteria

- **Open source** (weight 3): Is all the source code needed to run the product public?
- **No trackers or telemetry** (weight 3): Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
- **No ads or data sales** (weight 2): Is the product funded without advertising, ad targeting or selling user data?
- **Independent audit** (weight 2): Has an independent security or privacy audit been published within the last three years?

Source: https://privacyratings.com/team-chat/
