Alternatives to Mattermost
Looking for Mattermost alternatives? Here are the best Communication & Collaboration tools worth considering.
Alternatives as of August 2026
| Tool | Pricing | Platforms | Rating | Compare |
|---|---|---|---|---|
| Open Source | Web, macOS, Windows, Linux, iOS, Android | — | This app | |
| Freemium | Web, macOS, Windows, iOS, Android, Linux | — | Compare → | |
| Freemium | Web | — | Compare → | |
| Freemium | Web, macOS, Windows, Extension | — | ||
| Freemium | Web, macOS, Windows, iOS, Android, Linux | — | ||
| Freemium | Web | — | ||
| Open Source | Web | — | ||
| Freemium | Web | — | ||
| Paid | Web, macOS, Windows, iOS, Android | — | ||
| Freemium | Web | — | ||
| Freemium | Web | — | ||
| Free | macOS, Windows, Linux, iOS, Android | — | ||
| Free | Web, macOS, Windows, Linux, iOS, Android | — |
Browse Mattermost alternatives
Business messaging and channel-based collaboration
Voice, video, and text for communities and teams
Async video messaging for teams
✦ Loom is the best tool for reducing unnecessary meetings — record once, watch at 1.5x speed, move on.
Video conferencing that just works
Virtual office space with spatial video
Open-source scheduling infrastructure for everyone
Async team communication without the noise
All-in-one project and communication hub for teams
Chat, calls, and collaboration inside Microsoft 365
Browser-based video meetings with no downloads
Private messaging with end-to-end encryption.
Fast, cloud-based messaging at scale.