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HackMD vs Mattermost

Professional comparison and analysis to help you choose the right software solution for your needs.

HackMD icon
HackMD
Mattermost icon
Mattermost

HackMD vs Mattermost: The Verdict

⚡ Summary:

HackMD: HackMD is a real-time collaborative markdown editor and note-taking web application. It allows teams to write, edit, review and publish markdown documents together in real-time. Features include GitHub/GitLab integration, code blocks, task lists, and drawing.

Mattermost: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature HackMD Mattermost
Sugggest Score — —
Category Remote Work & Education Social & Communications
Pricing Open Source Freemium

Product Overview

HackMD
HackMD

Description: HackMD is a real-time collaborative markdown editor and note-taking web application. It allows teams to write, edit, review and publish markdown documents together in real-time. Features include GitHub/GitLab integration, code blocks, task lists, and drawing.

Type: software

Pricing: Open Source

Mattermost
Mattermost

Description: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

Type: software

Pricing: Freemium

Key Features Comparison

HackMD
HackMD Features
  • Real-time collaborative editing
  • Markdown support
  • Code block support
  • GitHub/GitLab integration
  • Task lists
  • Drawing support
Mattermost
Mattermost Features
  • Team messaging
  • File sharing
  • Search
  • Integrations
  • Cross-platform support

Pros & Cons Analysis

HackMD
HackMD
Pros
  • Free for individuals
  • Great for collaboration
  • Integrates with GitHub/GitLab
  • Supports markdown formatting
  • Has useful features like code blocks and drawings
Cons
  • Formatting can get messed up with multiple simultaneous editors
  • No WYSIWYG editor
  • Limited free plan storage
Mattermost
Mattermost
Pros
  • Open source
  • Self-hosted
  • Highly customizable
  • Strong security
  • Active development community
Cons
  • Requires technical expertise to setup and manage
  • Limited native mobile apps
  • Less third-party integrations than proprietary options

Pricing Comparison

HackMD
HackMD
  • Open Source
Mattermost
Mattermost
  • Freemium

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Learn More About Each Product

HackMD
HackMD
Reviews, pricing & alternatives →
Mattermost
Mattermost
Reviews, pricing & alternatives →

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