#1 · 92% match
Zulip
- Application type
- Chat & community apps
- Origin
United States- Platforms
- Web
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site 10 Best Mattermost Alternatives in 2026
Mattermost: open-source, self-hostable team messaging platform. Here are 10 alternatives, including 10 with a free option and 5 open source. Zulip is the closest match, sharing 92% of Mattermost's tracked features and platforms. Every option links to its own alternatives, so you can keep exploring.
Last reviewed October 20, 2026 · 10 alternatives
#2 · 83% match
Element
- Application type
- Chat & community apps
- Origin
United Kingdom- Platforms
- Web
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site #3 · 83% match
Rocket.Chat
- Application type
- Chat & community apps
- Platforms
- Web
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site #4 · 83% match
Slack
- Application type
- Chat & community apps
- Origin
- United States
- Platforms
- Web
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site #5 · 67% match
Discord
- Application type
- Chat & community apps
- Origin
- United States
- Platforms
- Web
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site #6 · 67% match
Stoat (formerly Revolt)
- Application type
- Chat & community apps
- Platforms
- Web
- Windows
- macOS
- Linux
- Android
Free
#7 · 67% match
Microsoft Teams
- Application type
- Chat & community apps
- Origin
- United States
- Platforms
- Web
- Windows
- macOS
- Android
- iOS
Free + paid
Visit site Free
Visit site #9 · 67% match
TeamSpeak
- Application type
- Chat & community apps
- Origin
Germany- Platforms
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site #10 · 67% match
Telegram
- Application type
- Chat & community apps
- Origin
United Arab Emirates- Platforms
- Web
- Windows
- macOS
- Linux
- Android
- iOS
Free + paid
Visit site Mattermost alternatives compared
Side by side, from the same data used on this page.
| Feature | ||||
|---|---|---|---|---|
| Best for | The one you use now | Closest match | Open source | Free option |
| User rating | ||||
| Pricing | Free + paid | Free + paid | Free + paid | Free + paid |
| Free option | ✓ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✓ | ✓ | ✓ |
| Channels | ✓ | ✓ | — | ✓ |
| Integrations | ✓ | — | — | — |
| Self hosted | ✓ | ✓ | ✓ | ✓ |
| Mobile app | ✓ | ✓ | ✓ | ✓ |
| Encrypted | — | — | ✓ | — |
| Video calls | — | — | ✓ | — |
| Voice chat | — | — | ✓ | — |
| Origin | United States | United States | United Kingdom | — |
| Platforms | Web, Windows, macOS, Linux, Android, iOS | Web, Windows, macOS, Linux, Android, iOS | Web, Windows, macOS, Linux, Android, iOS | Web, Windows, macOS, Linux, Android, iOS |
| Learn more | Get MattermostMattermost alternatives | Get ZulipZulip alternatives | Get ElementElement alternatives | Get Rocket.ChatRocket.Chat alternatives |
✓ confirmed ✕ no — not listed in our data
Keep exploring
Alternatives to the alternatives — each link opens its own list.
Mattermost alternatives: FAQs
What is Mattermost?
Open-source, self-hostable team messaging platform. It is listed in our Chat & Community Apps category.
What are the best alternatives to Mattermost?
The top options in our list are Zulip, Element, Rocket.Chat, Slack and Discord. The right choice depends on which features, platforms and price matter most to you.
Is Mattermost free?
Mattermost has a free option, with paid plans that unlock more features.
Is there a free alternative to Mattermost?
Yes. Zulip, Element, Rocket.Chat and Slack have a free option.
Which alternative is most similar to Mattermost?
Zulip is the closest match, sharing 92% of Mattermost's tracked features and platforms.
What features does Mattermost have?
Based on our data, Mattermost offers or is known for: Channels, Integrations, Self hosted, Mobile app.
Which Mattermost alternatives offer Self hosted?
Zulip, Element, Rocket.Chat, Mumble and TeamSpeak offer Self hosted.
What platforms does Mattermost support?
Mattermost is available on Android, iOS, Linux, macOS, Web, Windows.
Is there an open-source alternative to Mattermost?
Yes: Zulip, Element, Rocket.Chat and Stoat (formerly Revolt).
Which Mattermost alternatives can be self-hosted?
Zulip, Element, Rocket.Chat, Mumble and TeamSpeak.
How we research
- We collect each product's facts from its official website, pricing page and help documentation, and record where we found them.
- Origin, platforms, free options and features are checked against those official sources before an item is listed.
- Software prices are re-checked automatically every day where the pricing page allows it, and every change is logged.
- Rankings come from the data: well-known direct replacements first, then the closest matches by shared features and platforms. Commissions never change the order.
- We only list legal services. Health topics are information only and always point you to a licensed clinician.
- Star ratings come only from reviews by registered users. We never invent ratings or reviews.
Data for Mattermost last reviewed October 20, 2026. Spotted a mistake? Let us know in the reviews below.
User reviews of Mattermost
Written by registered users. Ratings on this site come only from these reviews.