# Best self-hosted Team Chat apps

> Self-hosted messaging, team chat and push notification platforms. A private alternative to Slack, Discord and hosted messengers. The most popular self-hosted team chat apps on GitHub are Rocket.Chat, Novu and Mattermost. appsgit lists 38 self-hosted apps in this category, ranked by GitHub stars. 37 of the 38 apps here are open source; 1 is source-available.

## Key facts

| Fact | Value |
|---|---|
| Apps listed | 38 |
| Most starred | Rocket.Chat (46,213 stars) |
| With a Docker image | 22 |
| Canonical URL | https://appsgit.com/categories/team-chat |

## All 38 Team Chat apps

- [Rocket.Chat](https://appsgit.com/apps/rocket-chat): Communications platform that puts data protection first (alternative to Gitter.im and Slack). (46,213 stars, MIT, TypeScript, Docker)
- [Novu](https://appsgit.com/apps/novu): Notification infrastructure for developers. (40,118 stars, MIT, TypeScript, Docker)
- [Mattermost](https://appsgit.com/apps/mattermost): Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack). (39,271 stars, AGPL-3.0, TypeScript, Docker)
- [Chatwoot](https://appsgit.com/apps/chatwoot): Customer communication platform (alternative to Intercom and Zendesk). (37,569 stars, MIT, Ruby, Docker)
- [ntfy](https://appsgit.com/apps/ntfy): Push notifications to phone or desktop using HTTP PUT/POST, with Android app, CLI and web app, similar to Pushover and Gotify. (34,644 stars, Apache-2.0, Go, Docker)
- [Zulip](https://appsgit.com/apps/zulip): Zulip is a powerful, open source group chat application. (25,998 stars, Apache-2.0, Python)
- [SimpleX Chat](https://appsgit.com/apps/simplex-chat): The most private and secure chat and applications platform - now with double ratchet E2E encryption. (19,521 stars, AGPL-3.0, Haskell)
- [Apprise](https://appsgit.com/apps/apprise): Apprise allows you to send a notification to almost all of the most popular notification services available to us today such as: Telegram, Discord, Slack, Amazon SNS, Gotify, etc. (17,531 stars, BSD-2-Clause, Python, Docker)
- [Gotify](https://appsgit.com/apps/gotify): Notification server with Android and CLI clients (alternative to PushBullet). (16,036 stars, MIT, Go, Docker)
- [OpenWA](https://appsgit.com/apps/openwa): WhatsApp API gateway exposing messaging as REST endpoints, with a web dashboard, multi-account sessions, and webhook events (alternative to WhatsApp Business API providers). (15,071 stars, MIT, TypeScript, Docker)
- [Element](https://appsgit.com/apps/element): Fully-featured Matrix client for Web, iOS & Android. (13,542 stars, AGPL-3.0, TypeScript)
- [Tinode](https://appsgit.com/apps/tinode): Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots. (13,527 stars, GPL-3.0, Go)
- [Centrifugo](https://appsgit.com/apps/centrifugo): Language-agnostic real-time messaging (Websocket or SockJS) server. (10,836 stars, Apache-2.0, Go, Docker)
- [Screego](https://appsgit.com/apps/screego): Screego is a simple tool to quickly share your screen to one or multiple people via web browser. (10,733 stars, GPL-3.0, Go, Docker)
- [Typebot](https://appsgit.com/apps/typebot): Conversational app builder (alternative to Typeform and Landbot). (10,496 stars, FSL-1.1-Apache-2.0, source-available, TypeScript, Docker)
- [Fluxer](https://appsgit.com/apps/fluxer): Instant messaging and VoIP platform built for friends, groups, and communities (alternative to Discord). (10,488 stars, AGPL-3.0, TypeScript, Docker)
- [Mumble](https://appsgit.com/apps/mumble): Low-latency, high quality voice/text chat software. (8,322 stars, BSD-3-Clause, C++)
- [WorkAdventure](https://appsgit.com/apps/workadventure): Virtual office / virtual conference application presented as a 16-bit RPG video game. (5,831 stars, AGPL-3.0, TypeScript, Docker)
- [Synapse](https://appsgit.com/apps/synapse): Server for Matrix, an open standard for decentralized persistent communication. (4,681 stars, AGPL-3.0, Python)
- [One Time Secret](https://appsgit.com/apps/one-time-secret): Share sensitive information securely with self-destructing links that are only viewable once. (2,953 stars, MIT, Ruby, Docker)
- [Tox](https://appsgit.com/apps/tox): Distributed, secure messenger with audio and video chat capabilities. (2,689 stars, GPL-3.0, C)
- [Stoat](https://appsgit.com/apps/stoat): Stoat is a user-first chat platform built with modern web technologies. (2,665 stars, AGPL-3.0, JavaScript, Docker)
- [WBO](https://appsgit.com/apps/wbo): Web Whiteboard to collaborate in real-time on schemas, drawings, and notes. (2,659 stars, AGPL-3.0, JavaScript, Docker)
- [Tuwunel](https://appsgit.com/apps/tuwunel): High-performance and feature-rich chat server for Matrix, and the successor to conduwuit (fork of Conduit). (2,592 stars, Apache-2.0, Rust, Docker)
- [AnyCable](https://appsgit.com/apps/anycable): Realtime server for reliable two-way communication over WebSockets, Server-sent events, etc. (2,384 stars, MIT, Go, Docker)
- [Chitchatter](https://appsgit.com/apps/chitchatter): Peer-to-peer chat app that is serverless, decentralized, and ephemeral. (2,335 stars, GPL-2.0, TypeScript)
- [Live Helper Chat](https://appsgit.com/apps/live-helper-chat): Live Support chat for your website. (2,251 stars, Apache-2.0, PHP)
- [RetroShare](https://appsgit.com/apps/retroshare): Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer. (2,020 stars, GPL-2.0, C++)
- [GlobaLeaks](https://appsgit.com/apps/globaleaks): Whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform. (1,516 stars, AGPL-3.0, Python, Docker)
- [Databag](https://appsgit.com/apps/databag): Federated, end-to-end encrypted messaging service for the web, iOS, and Android, supporting text, photos, video, and WebRTC video and audio calls. (1,498 stars, Apache-2.0, TypeScript, Docker)
- [Hyphanet](https://appsgit.com/apps/hyphanet): Anonymously share files, browse and publish freesites (web sites accessible only through Hyphanet) and chat on forums. (1,220 stars, GPL-2.0, Java)
- [Notifo](https://appsgit.com/apps/notifo): Multichannel notification server with support for Email, Mobile Push, Web Push, SMS, messaging and a javascript plugin. (882 stars, MIT, C#)
- [OTS](https://appsgit.com/apps/ots): One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser. (801 stars, Apache-2.0, Go)
- [Spectrum 2](https://appsgit.com/apps/spectrum-2): Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks. (421 stars, GPL-3.0, C++)
- [Shhh](https://appsgit.com/apps/shhh): Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates. (418 stars, MIT, Python)
- [PushBits](https://appsgit.com/apps/pushbits): Notification server for relaying push notifications via Matrix, similar to PushBullet and Gotify. (369 stars, ISC, Go)
- [Tiledesk](https://appsgit.com/apps/tiledesk): All-in-one customer engagement platform from lead-gen to post-sales, from WhatsApp to your website. With omni-channel live agents and AI-powered chatbots (alternative to Intercom, Zendesk, Tawk.to… (323 stars, MIT, Mustache, Docker)
- [SAMA](https://appsgit.com/apps/sama): Next-Gen self-hosted chat server and clients. (158 stars, GPL-3.0, JavaScript, Docker)

## Replaces

- [Open-source alternatives to Slack](https://appsgit.com/alternatives/slack)
- [Open-source alternatives to Discord](https://appsgit.com/alternatives/discord)

## Comparisons

- [Mattermost vs Rocket.Chat](https://appsgit.com/compare/mattermost-vs-rocket-chat)
- [Rocket.Chat vs Zulip](https://appsgit.com/compare/rocket-chat-vs-zulip)
- [Mattermost vs Zulip](https://appsgit.com/compare/mattermost-vs-zulip)
- [Chatwoot vs Zammad](https://appsgit.com/compare/chatwoot-vs-zammad)

## Related categories

- [Utilities](https://appsgit.com/categories/utilities): Handy standalone tools that do not fit elsewhere, such as converters, translators and design apps. Small utilities worth self-hosting.
- [Finance & Budgeting](https://appsgit.com/categories/finance-budgeting): Personal finance, budgeting, expense tracking and payment tools. Manage your money without handing your data to a fintech app.
- [CMS](https://appsgit.com/categories/cms): Content management systems and headless CMS platforms for websites and apps. Publish and manage content on a stack you control.
- [File Sharing](https://appsgit.com/categories/file-sharing): Quick file upload and sharing services plus peer-to-peer clients. Send large files with expiring links, like a private WeTransfer.
- [Analytics](https://appsgit.com/categories/analytics): Self-hosted web analytics and business intelligence tools. Track visitors and product usage or explore your data without sending it to a third party.
- [Developer Tools](https://appsgit.com/categories/developer-tools): Cloud IDEs, feature flags, error tracking, localization and testing tools. Everything developers need to build and run software.

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Canonical page: https://appsgit.com/categories/team-chat
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
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