# Mattermost | Knowledge Base | Instagit

Mattermost is a secure collaboration platform for connecting your teams, tools and processes to accelerate mission-critical work.

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## Repositories

### [mattermost](/mattermost/mattermost)

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

- 60 articles | 37.6k stars
- Tags: deep-dive, how-to-guide, api-reference, internals, documentation, architecture, security-guide, best-practices, directory-guide