Are there free alternatives available?

Yes. Several tools listed here offer free plans or limited free tiers, which are clearly marked on their pricing labels.

Mattermost Alternatives: 6 Similar Tools (2026)

Q: What is the best alternative to Mattermost?

Discord is one of the most popular alternatives on NBP, based on user feedback and feature comparison.

Q: Why do people switch from Mattermost?

Users often explore alternatives to find better pricing, more focused features for specific workflows, or different support and collaboration experiences.

Tool Name	Best For	Key Features	Rating	Action
#1 Discord	General Use	Voice & Text Chat Nitro Premium Subscriptions	★ 4.62	View →
#2 DelaChat	General Use	Instant Language Translation End-to-End Encryption	★ 4.46	View →
#3 ThunderChat	General Use	Real-Time Message Sync Self-Destructing Chats	★ 4.35	View →
#4 Best All in One Chat App	General Use	Seamless Cross-Platform Sync End-to-End Encryption	★ 4.40	View →
#5 Badassery Slack	General Use	Anonymous Mode Zero-Trace Chats	★ 4.40	View →

Tool Name

Best For

Rating

Action

#1 Discord

General Use

★ 4.62

View →

#2 DelaChat

General Use

★ 4.46

View →

#3 ThunderChat

General Use

★ 4.35

View →

#4 Best All in One Chat App

General Use

★ 4.40

View →

#5 Badassery Slack

General Use

★ 4.40

View →

Discord

Discord: The ultimate alternative for seamless communication, gaming, and community building.

View Discord

★ 4.62

Why choose Discord over Mattermost?

Voice & Text Chat
Nitro Premium Subscriptions
Server Discovery Hub
End-to-End Encryption
Family Center Resources

View Details

DelaChat

Connect instantly with DelaChat – seamless, smart, and secure messaging for everyone.

View DelaChat

★ 4.46

Why choose DelaChat over Mattermost?

Instant Language Translation
End-to-End Encryption
Smart Group Threads

View Details

ThunderChat

Lightning-fast messaging with ThunderChat—connect instantly, anytime, anywhere!

View ThunderChat

★ 4.35

Why choose ThunderChat over Mattermost?

Real-Time Message Sync
Self-Destructing Chats
End-to-End Encryption

View Details

Best All in One Chat App

Experience seamless communication with the best all-in-one chat app for messaging, calls, and collaboration!

View Best All in One Chat App

★ 4.40

Why choose Best All in One Chat App over Mattermost?

Seamless Cross-Platform Sync
End-to-End Encryption
Smart Message Prioritization
Customizable Chat Themes
Group Video Calling

View Details

Badassery Slack

Unleash your team's badassery with Badassery Slack—where productivity meets fearless collaboration.

View Badassery Slack

★ 4.40

Why choose Badassery Slack over Mattermost?

Anonymous Mode
Zero-Trace Chats
Self-Destructing Threads
Ephemeral Voice Notes
Burn After Reading

View Details

Slack

Boost teamwork and save with Slack—collaborate effortlessly using channels, messaging, and integrations, plus grab a Slack coupon code for extra perks!

View Slack

★ 4.33

Why choose Slack over Mattermost?

Slack Connect
Workflow Builder
Huddles
Canvas
Apps & Integrations

View Details

Frequently Asked Questions about Mattermost

What is the best alternative to Mattermost on NBP?

Based on our community ratings and feature comparison, Discord is one of the most popular alternatives among users.

Are there free options available?

Yes. Several tools in this list offer free plans or limited free tiers. Look for the “Free” or “Freemium” pricing labels on the tool cards above.

Why do people switch from Mattermost?

Users typically switch to find better pricing, more specific features for their niche (like ) or better customer support.

Explore by Category

6 Best Alternatives to Mattermost Top Competitors & Similar Tools for 2026