Mattermost vs Rocket.Chat
Side-by-side comparison of features, pricing, ratings, and alternatives.
Mattermost is an open-source, self‑hostable platform that lets teams communicate in real time while keeping data under their own control. It offers channels, direct messages, and rich media sharing, all designed for privacy‑focused organizations. The platform integrates with developer tools, supports custom plugins, and can be deployed on‑premises or in the cloud, making it a flexible alternative to commercial chat solutions.
Rocket.Chat is an open-source communication platform designed for mission-critical operations. It provides a secure and scalable solution for team collaboration, featuring real-time messaging, video conferencing, and file sharing.
- Full data ownership with self‑hosting options.
- Open-source code allows extensive customization.
- Rich integration ecosystem for developer tools.
- Cross‑platform clients ensure accessibility.
- Highly customizable and extensible
- Scalable architecture for large teams and organizations
- End-to-end encryption for secure communication
- Wide range of integrations with external services
- Self‑hosting requires infrastructure and maintenance expertise.
- Advanced enterprise features are behind a paid tier.
- User interface can feel less polished than some commercial rivals.
- Steep learning curve for administrators
- Limited support for certain features in the free version
- Requires technical expertise for customization and integration
More alternatives & similar tools
Alternatives to Mattermost
View all →Alternatives to Rocket.Chat
View all →The Verdict
AI-generated from listing dataRocket.Chat offers broader collaboration features (video, screen‑share, recording) and stronger out‑of‑the‑box support, while Mattermost focuses on developer‑centric messaging with a leaner UI and community‑driven support.
Key differences
- •Rocket.Chat includes built‑in video conferencing and recording; Mattermost does not.
- •Rocket.Chat provides 24/7 support options; Mattermost relies mainly on community forums and paid enterprise support.
- •Mattermost emphasizes developer tool integrations (GitLab, Jenkins, Azure DevOps) whereas Rocket.Chat highlights broader business integrations (Slack, Notion).
- •Rocket.Chat is noted as having a steep admin learning curve; Mattermost’s UI is considered less polished but generally easier to adopt.
Pricing & value
Both products use a freemium model; no pricing details beyond that are provided.
Ease of use / learning curve
Mattermost’s UI is less polished but lacks the steep admin learning curve cited for Rocket.Chat.
Features & depth
Rocket.Chat includes video conferencing, screen sharing, and recording; Mattermost’s feature list stops at messaging and file sharing.
Integrations & ecosystem
Both list multiple integrations with major dev and business tools; neither is shown to dominate.
Collaboration
Rocket.Chat’s real‑time messaging, file sharing, screen sharing, and video conferencing give richer collaboration capabilities.
Scalability
Rocket.Chat explicitly mentions a scalable architecture for large teams; Mattermost provides no scalability claim.
Support
Rocket.Chat offers email, live chat, and 24/7 support; Mattermost lists community forum, email, and optional paid enterprise support.
Security & privacy
Rocket.Chat states end‑to‑end encryption; Mattermost mentions data control and compliance but not explicit encryption.
Choose Mattermost if…
Developer‑focused teams wanting self‑hosted messaging with deep dev‑tool integrations and are comfortable with community support.
Choose Rocket.Chat if…
Enterprises needing video calls, strong security, and 24/7 support, and able to manage a steeper admin learning curve.
Common questions
Can either product be self‑hosted?
Both Rocket.Chat and Mattermost are open‑source and support self‑hosting.
Which tool provides built‑in video conferencing?
Rocket.Chat includes video conferencing with screen sharing and recording; Mattermost does not list video features.
What support is available for free users?
Rocket.Chat offers email, live chat, and 24/7 support; Mattermost provides community forum and email, with paid enterprise support optional.


