Rocket.Chat

The Secure CommsOS™ for mission-critical operations

⭐ 45,240 stars on GitHub · 🍴 13,544 forks · 📜 License: other · 💻 Language: TypeScript

What is Rocket.Chat?

If Slack or Microsoft Teams is too closed for your risk profile, Rocket.Chat gives you a serious self-hosted alternative with enterprise-grade controls. Its differentiator is sovereignty: you can run real-time collaboration on your own infrastructure, including air-gapped environments.

Main components

• Real-time team messaging with channels, direct messages, threads, mentions, and file sharing
• Voice calls, omnichannel messaging, and support for asynchronous collaboration
• Self-hosted deployment via Docker, Podman, Kubernetes, or dedicated cloud
• Security controls including identity management, end-to-end encryption, RBAC, and attribute-based access control
• Federation for communication across separate Rocket.Chat workspaces and organizations
• Apps-Engine, Marketplace apps, APIs, and webhooks for extending and integrating the platform
• Desktop and mobile clients for Windows, macOS, Linux, iOS, and Android

Clear use cases

• Replace Slack or Teams with a self-hosted workspace where your organization controls the data
• Run secure internal communications for government, defense, healthcare, finance, or critical infrastructure teams
• Deploy an air-gapped chat platform for isolated networks with no internet access
• Build a customer or citizen communication hub using omnichannel messaging
• Connect multiple organizations or departments through federated workspaces
• Integrate chat with internal systems, incident workflows, bots, and custom business applications

Rocket.Chat is one of the most mature open-source options for organizations that want chat without handing their message history, user directory, and compliance posture to a SaaS vendor. It covers the basics you expect from a modern collaboration suite — channels, DMs, files, calls, mobile apps — but its real value is in deployment flexibility and administrative control. You can start with a standard Docker setup, scale into Kubernetes, or run it in locked-down environments where cloud-first tools simply do not fit.

The platform is especially strong when communication is not just “team chat” but part of an operational workflow. APIs, webhooks, Marketplace apps, and the Apps-Engine let you wire Rocket.Chat into ticketing systems, monitoring alerts, CRM tools, internal portals, and custom automation. That matters for sysadmins and platform teams because chat becomes an integration layer rather than another isolated inbox.

The biggest strength is data sovereignty — Rocket.Chat lets you keep collaboration infrastructure, message data, identity controls, and security policy under your own governance. Compared with commercial competitors like Slack and Teams, the unique value is not a prettier chat UI; it is the ability to self-host, customize, federate, and operate in regulated or disconnected environments without giving up the collaboration patterns users already understand.

Best for security-conscious IT teams, regulated organizations, government agencies, defense contractors, and platform teams that need self-hosted communications with strong administrative control.

Topics: the project is tagged with popular topics:

• 🏷️ chat
• 🏷️ collaboration
• 🏷️ foss
• 🏷️ free
• 🏷️ hacktoberfest
• 🏷️ javascript
• 🏷️ meteor
• 🏷️ mit
• 🏷️ real-time
• 🏷️ slack

📸 Screenshots

Quick install

See the README for detailed install instructions. Most projects support Docker — if the repo has a Dockerfile, use:

git clone https://github.com/RocketChat/Rocket.Chat.git
cd Rocket.Chat
docker build -t Rocket.Chat .
docker run -d -p 8080:8080 Rocket.Chat

Minimum system requirements

⚡ Deploy fast on VSIS

Use the VSIS VPS Lite 2GB RAM / 2 vCPU / 25GB SSD (~104k/tháng) plan from VSIS.NET — high-speed VN-based VPS, 24/7 support, ideal for running Rocket.Chat smoothly.

🎯 Benefits:

• One-command docker compose up -d deploy in 2 minutes
• Dedicated IPv4, root access, unmetered domestic bandwidth
• Daily snapshot backup
• Free install assistance from the VSIS team

👉 See matching VPS plans at vsis.net

Resources

• 🔗 GitHub: RocketChat/Rocket.Chat
• 🌐 Homepage: https://rocket.chat/
• 📚 Official docs: see README in the repo
• 💬 Community: GitHub Issues + Discussions

Article compiled from GitHub data on 05/05/2026. Star/fork counts may have changed — see live numbers via the GitHub link.