Best Open-Source Productivity Apps
This ranking highlights 10 open-source productivity apps for note-taking and knowledge management, ordered by their GitHub star counts. Lobehub leads with 79,500 stars, followed by AppFlowy and AFFiNE, each with over 70,000 stars. These tools support various platforms, including Linux, macOS, Windows, and Android, and are available under licenses like AGPL-3.0, MIT, and Apache-2.0. Many apps, such as draw.io Desktop and Logseq, offer cross-platform compatibility, making them accessible for users across different operating systems. These apps cater to those seeking self-hosted or locally run solutions.
| # | App | Stars | License |
|---|---|---|---|
| 1 | lobehub | 79.8k | NOASSERTION |
| 2 | AppFlowy | 73.7k | AGPL-3.0 |
| 3 | rtk | 70.4k | Apache-2.0 |
| 4 | AFFiNE | 70.3k | NOASSERTION |
| 5 | draw.io Desktop | 62.1k | Apache-2.0 |
| 6 | memos | 61.5k | MIT |
| 7 | MarkText | 58.5k | MIT |
| 8 | Joplin | 55.5k | NOASSERTION |
| 9 | siyuan | 45.1k | AGPL-3.0 |
| 10 | Logseq | 43.8k | AGPL-3.0 |
LobeHub is a productivity tool designed to manage AI agents by handling their hiring, scheduling, and reporting for continuous operations. It organizes agents into efficient workflows to ensure seamless 24/7 functionality.
AppFlowy is an open-source productivity tool designed as a collaborative workspace with AI integration. It functions as an alternative to Notion, combining projects, wikis, and team management while prioritizing user data control. The platform supports organization and workflow without proprietary lock-in.
RTK is a command-line proxy tool designed to minimize LLM token usage by 60-90% for common development commands. It is a lightweight, dependency-free Rust binary.
AFFiNE is an open-source knowledge base tool for planning, organizing, and content creation. It prioritizes privacy and offers customization while maintaining usability. The platform combines note-taking and collaborative features in a single workspace.
Draw.io Desktop is an Electron-based application offering a desktop version of the popular draw.io diagramming tool. It provides offline access to create and edit flowcharts, diagrams, and visual representations.
Memos is an open-source, self-hosted note-taking tool designed for quick capture. It supports Markdown and offers a lightweight, customizable solution.
MarkText is a straightforward markdown editor with a clean interface, compatible with Linux, macOS, and Windows. It supports real-time preview and focuses on simplicity for writing in markdown.
Joplin is a privacy-focused note-taking application with synchronization capabilities. It is available for Windows, macOS, Linux, Android, and iOS.
A privacy-first, self-hosted knowledge management tool for organizing personal notes and information. Written in TypeScript and Go, it offers open-source customization and local data control.
Logseq is a privacy-focused, open-source knowledge management tool for organizing notes and collaborative work. It supports bidirectional linking and local-first data storage. The project roadmap and downloads are available on its official site.
Frequently asked questions
- What is the top pick in “Best Open-Source Productivity Apps”?
- lobehub currently leads this list, which is ordered by GitHub stars among the 10 open-source options we track.
- Are these apps free?
- Yes. Every app on this list is free and open-source. Download links point to each project's official release.
- How is this ranking decided?
- The order reflects GitHub stars, a public measure of popularity. Data is pulled from official sources and last refreshed on Jul 6, 2026. We don't accept payment for placement.
How we rank:entries are ordered by GitHub stars, a public popularity signal. Versions, licenses and platform support are read from official release feeds. We don't accept payment for inclusion or position. Supported platforms reflect the latest release (Linux, macOS, Windows, Android).