Rocket.Chat vs Mattermost
Detailed comparison to help you choose the right tool for your needs
R
Rocket.Chat
Open-source team communication platform — self-hosted Slack alternative
4.1
Editorial RatingQuick Comparison
Rating
4.1
vs4.3
Starting Price
Free
vsFree
Pricing Model
freemium
vsfreemium
Feature
Rocket.Chat
Mattermost
Real-time messaging
Video conferencing
File sharing
Self-hosting option
Omnichannel support
Marketplace apps
Team messaging
Integrations
Self-hosting
Open source
Mobile apps
Rocket.Chat Pros
- Fully self-hostable for data sovereignty
- Unlimited users and messages on free plan
- Omnichannel customer support built in
- Active community with marketplace
Rocket.Chat Cons
- Heavier resource requirements than Slack
- UI less refined than commercial alternatives
- Some features require Enterprise license
Mattermost Pros
- Complete data sovereignty with self-hosted deployment
- Open source with no vendor lock-in
- Slack-like familiar interface
- Air-gapped deployment possible for high-security orgs
- Strong compliance and audit logging
- Active community and development
Mattermost Cons
- Self-hosting requires significant DevOps expertise
- Mobile apps noticeably inferior to Slack/Teams
- Smaller app ecosystem than commercial alternatives
- Complex initial setup
- Performance depends heavily on server resources