Talky offers group video chat and screen sharing through a simple browser-based meeting page.
Mattermost
Mattermost provides self-hosted collaboration with chat, workflow automation, voice calls, screen sharing, and AI integration.
About Mattermost
Mattermost is a self-hosted collaboration platform for work across the software development lifecycle. It includes chat, workflow automation, voice calling, screen sharing, and AI integration.
The core software is written in Go and React, runs as a single Linux binary, and uses PostgreSQL. It can be deployed on-premises and accessed through a web interface or native apps.
Key features
- Team chat messaging
- Workflow automation
- Voice calling
- Screen sharing
- AI integration
- Native apps for Android, iOS, Windows, macOS and Linux
Best for: Teams that want to operate team messaging on their own Linux servers using PostgreSQL.
Good for
- Can be deployed on-premises as a self-hosted instance
- Provides clients for web, Android, iOS, Windows, macOS and Linux
- Works with APIs, webhooks, slash commands, apps and plugins
Watch out for
- Server runs as a Linux binary and requires PostgreSQL
Mattermost at a glance
- Category
- Social & Communities › Messaging Apps
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Mattermost alternatives
Tools and sites you could use instead, ranked by how closely they match.
Matterbridge connects chat platforms including IRC, Slack, Discord, Telegram, Matrix, and Mattermost through message bridges.
Open source
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Zulip provides an open-source team chat server and web application for team collaboration and focused discussions.
Open source
24 alternatives
Mumble provides open-source software for real-time voice chat with low latency.
Linkello creates audio and video call links, letting users start a call by sharing a web address.
Guildbit hosts Mumble voice chat servers, letting users deploy a server and review upgrade or donation options.
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Mattermost FAQ
How is Mattermost installed?
Self-hosted instances can be deployed via Docker, Ubuntu, or tar, with additional guides for Kubernetes and Helm.
Which devices can access Mattermost?
Through a web interface and native clients for Android, iOS, Windows PC, macOS, and Linux.
What software does the server use?
It is written in Go and React, runs as a single Linux binary, and relies on PostgreSQL.
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