Best Mattermost Alternatives in 2026

Looking for alternatives to Mattermost? Here are 8 similar tools in the Communication & Chat category.

Comparing against

Mattermost

Open-source platform for high-trust collaboration

★★★★★(52 reviews)

Freemium

8 more Communication & Chat tools like Mattermost

Discord

Voice, video, and text chat

4.7 (69)

Freemium from FreeWeb, iOS, Android, Mac, Windows, Linux

307 upvotesCommunication & Chat

Whereby

Video meetings in your browser

4.6 (32)

Freemium from FreeWeb, iOS, Android

157 upvotesCommunication & Chat

SlackFeatured

Where work happens

4.5 (75)

Freemium from FreeWeb, iOS, Android, Mac, Windows, Linux

301 upvotesCommunication & Chat

Zoom

Video conferencing & online meetings

4.5 (72)

Freemium from FreeWeb, iOS, Android, Mac, Windows, Linux

313 upvotesCommunication & Chat

TwilioFeatured

Cloud communications platform

4.5 (56)

Pay-As-You-Go from Free TrialWeb, API

242 upvotesCommunication & Chat

Google Meet

Premium video meetings by Google

4.4 (55)

Freemium from FreeWeb, iOS, Android

294 upvotesCommunication & Chat

Microsoft Teams

Chat, meet, call, collaborate

4.3 (72)

Freemium from FreeWeb, iOS, Android, Mac, Windows

301 upvotesCommunication & Chat

Webex

Video meetings & collaboration by Cisco

4.2 (59)

Freemium from FreeWeb, iOS, Android, Mac, Windows

245 upvotesCommunication & Chat

Build a better Communication & Chat stack

Compare tools side-by-side to find the perfect fit for your team.