Skip to content
THE OPEN ALTERNATIVE
Esc
↑↓navigate↵open⌘Jpreview
Back to Directory
Copy/Open
Open in v0Open in ChatGPTOpen in ClaudeOpen in T3 ChatOpen in SciraOpen in Cursor
Mattermost

Mattermost

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

GitHubVisit Website
Open Source Alternative to:
Slack
Microsoft Teams
Guilded
Pumble
Zoho Cliq
Mattermost preview

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Tech Stack & Architecture30 technologies detected
Typescript
Typescript
GO
Go
JavaScript
JavaScript
SCSS
SCSS
GitHub
GitHub
Categories
Team Chat & Messaging
Collaborative Workspaces
Encrypted Communication