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Mattermost vs Slack

Side-by-side comparison for macOS

Mattermost

8.0
Communication

Open-source, self-hosted Slack-alternative

Slack

7.0
Communication

Team communication and collaboration software

Metric Mattermost Slack
Category Communication Communication
AI Score 8.0 7.0
30-day Installs 413 7.6K
90-day Installs 1.2K 22.6K
365-day Installs 4.6K 81.5K
Version 6.1.2 4.49.89
Auto-updates No Yes
Deprecated No No
GitHub Stars 35.7K 8.3K
GitHub Forks 8.4K 1.1K
Open Issues 824 79
License NOASSERTION MIT
Language TypeScript Objective-C
Last GitHub Commit 1mo ago 7y ago
First Seen Apr 13, 2016 Aug 9, 2023

Reviews

Mattermost

Mattermost is an open-source, self-hosted alternative to Slack, offering secure communication and collaboration features. It's ideal for teams seeking control over their data and environment.

Mattermost provides a communication platform for teams to collaborate securely.

Pros

  • + Self-hosted for full control over data
  • + Open-source with active community support
  • + Customizable to meet specific needs

Cons

  • - No auto-update feature
  • - Message limits can be restrictive

Slack

Slack is a leading communication platform for team collaboration, offering channels, integrations, and real-time messaging. It's ideal for teams needing seamless organization and interaction.

Provides tools for team communication, collaboration, and organization.

Pros

  • + Dominant platform in team communication
  • + Extensive integration capabilities
  • + Real-time collaboration and organization

Cons

  • - Deprecated GitHub repository with no recent activity
  • - User experience issues reported
  • - Concerns over pricing increases