mubu ☆
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Description:
Outline note taking and management app
Type: Cask  |  Latest Version: 5.4.1@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Productivity
Tags: outliner notes pkm productivity task-management
Install: brew install --cask mubu
About:
Mubu is a minimalist outliner designed for hierarchical note-taking and knowledge management. It provides a fast, keyboard-driven interface for structuring thoughts, managing tasks, and organizing information in a collapsible tree format. The app focuses on speed and clarity, offering a distraction-free environment for capturing and connecting ideas.
Key Features:
  • Keyboard-centric workflow for rapid input and navigation
  • Infinite nesting of bullets for deep hierarchical organization
  • Cross-platform sync and cloud-based document storage
  • Built-in task management with due dates and reminders
  • Markdown support for rich text formatting
Use Cases:
  • Personal knowledge management (PKM) and building a second brain
  • Project planning and outlining complex tasks
  • Meeting notes and structured brainstorming sessions
  • Drafting long-form content and articles
Alternatives:
  • Obsidian – Obsidian offers local-first storage and a powerful plugin ecosystem, while Mubu provides a more streamlined, cloud-synced outliner experience.
  • Notion – Notion is a database-driven workspace with blocks, whereas Mubu is a pure outliner focused on speed and text-first organization.
  • Workflowy – Workflowy is the original minimalist outliner; Mubu differentiates with a more modern UI and integrated task management features.
Version History
Detected Version Rev Change Commit
Jan 28, 2026 7:25am 5.4.1 0 VERSION_BUMP a4aced04
Jan 6, 2026 7:16am 5.4.0 0 VERSION_BUMP 2e862bb1
Aug 28, 2025 10:21am 5.1.0 0 VERSION_BUMP a5590ac3
Jul 27, 2024 1:48pm 4.0.4 0 VERSION_BUMP bcd129e3
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