Best Mattermost alternatives in 2026
The best Mattermost alternatives in 2026 are Rocket.Chat, Nextcloud, Netgsm. Rocket.Chat is the strongest free option.
Why people look for Mattermost alternatives
- UX behind Slack
- Self-hosting effort
- Smaller app ecosystem
- Enterprise pricing
- Mattermost pricing model: Open source.
Best Mattermost alternative by need
| # | Tool | Pricing | Starts at | Best for | Platforms | Votes |
|---|---|---|---|---|---|---|
| 1 | Rocket.Chat Open-source team chat and omnichannel | Open source | $0 | Enterprise, Developers | web, macos, windows, ios, android | 0 |
| 2 | Nextcloud Self-hosted content collaboration platform | Open source | $0 | Enterprise, Developers | web, macos, windows, ios, android | 0 |
| 3 | Netgsm Bulk SMS, cloud telephony and messaging for Turkish businesses | Paid | — | Small businesses, Enterprise, Developers | web, ios, android | 0 |
| 4 | Zoom Video meetings that became a verb | Freemium | $17/mo | Small businesses, Enterprise | web, macos, windows, ios, android | 0 |
| 5 | Slack Channel-based team messaging | Freemium | $9/mo | Small businesses, Enterprise | web, macos, windows, linux, ios, android | 0 |
| 6 | İleti Merkezi SMS API and bulk messaging for Turkish businesses | Paid | — | Small businesses, Developers | web | 0 |
| 7 | Verimor Cloud phone system, call center and SMS for Turkish businesses | Paid | — | Small businesses, Enterprise | web, ios, android | 0 |
| 8 | Front Shared inbox for customer-facing teams | Paid | $35/mo | Small businesses, Enterprise | web, macos, windows, ios, android | 0 |
| 9 | Google Meet Video calls inside Google Workspace | Freemium | $8/mo | Small businesses, Enterprise | web, ios, android | 0 |
| 10 | Microsoft Teams Microsoft's chat, meetings and calling hub inside Microsoft 365 | Freemium | $4/mo | Enterprise, Small businesses | web, macos, windows, ios, android | 0 |
10 Mattermost alternatives compared
- 1
Rocket.Chat
Open-source team chat and omnichannel
Best for: Organizations wanting open-source chat plus omnichannel.
- 2
Nextcloud
Self-hosted content collaboration platform
Best for: Organizations needing self-hosted collaboration.
- 3
Netgsm
Bulk SMS, cloud telephony and messaging for Turkish businesses
Best for: Turkish businesses needing SMS and telephony.
- 4
Zoom
Video meetings that became a verb
Best for: Organizations that need reliable external video meetings and are not fully on Google or Microsoft suites.
- 5
Slack
Channel-based team messaging
Best for: Teams of any size that are not already standardized on Microsoft Teams and value integrations.
- 6
İleti Merkezi
SMS API and bulk messaging for Turkish businesses
Best for: Turkish businesses sending SMS.
- 7
Verimor
Cloud phone system, call center and SMS for Turkish businesses
Best for: Turkish businesses wanting a cloud phone system.
- 8
Front
Shared inbox for customer-facing teams
Best for: Email-heavy, collaborative customer teams in B2B and services.
Paid · $35Mattermost vs Front - 9
- 10
Microsoft Teams
Microsoft's chat, meetings and calling hub inside Microsoft 365
Best for: Organisations already standardised on Microsoft 365 that want chat, meetings and files in one governed platform.
Mattermost alternatives: FAQ
What is the best alternative to Mattermost?
Based on features, audience and market presence, the strongest Mattermost alternatives are Rocket.Chat, Nextcloud, Netgsm. Rocket.Chat is the closest match for most teams.
Is there a free alternative to Mattermost?
Yes. Rocket.Chat can be used for free. Other free or freemium alternatives to Mattermost include Nextcloud, Zoom, Slack.
Is there an open-source alternative to Mattermost?
Yes. Rocket.Chat is open source, so you can self-host it or inspect the code.