[opensourcedex]

Logseq is a free, open source note taking & knowledge management project written in Clojure and released under AGPL-3.0. It has 44,955 GitHub stars, 2,815 forks and 942 open issues, and was last pushed 7 hours ago. On this registry it ranks #5 of 25 tracked projects in Note Taking & Knowledge Management, and is listed as an open source replacement for 1 paid product, with 5 head-to-head comparisons available. It gained 79 stars over the last 6 tracked days.

What is Logseq?

What it is

Logseq is an open-source, privacy-first knowledge management platform built for local-first workflows. It runs as a desktop application and web interface, storing data locally in Markdown or Org-mode files, with optional SQLite-backed DB graphs for advanced features. The project lives in the Clojure/ClojureScript ecosystem and is licensed under AGPL-3.0.

It solves the problem of fragmented, vendor-locked note-taking by offering a unified environment where users can organize thoughts, manage tasks, annotate PDFs, and build interconnected knowledge graphs—without sending data to third-party servers. Unlike cloud-dependent tools, Logseq ensures long-term data access and control through file-based storage and version control via Git.

Key capabilities

  • Local-first note storage using Markdown and Org-mode files with optional SQLite backend (DB version)
  • Bidirectional linking and graph visualization for knowledge mapping
  • Task management with agenda view, TODO states, and recurring tasks
  • PDF annotation with synchronized highlighting and note-taking
  • Real-time collaboration via RTC (alpha) for synced graphs across devices
  • Plugin and theme ecosystem for workflow customization
  • Cross-platform desktop apps (Windows, macOS, Linux) and mobile apps (iOS alpha, Android upcoming)

Who uses it and how

Students and researchers use it to build personal knowledge bases with interconnected notes and reference management. Developers and technical writers use its Git integration and Markdown/Org-mode support for documentation and project planning. Teams experimenting with RTC use it for shared graph collaboration, often in alpha testing via Discord channels.

Getting started

Download desktop releases from GitHub Releases or try the nightly builds; web version available at app.logseq.com. Mobile access requires joining alpha programs via provided forms. Install via standard package managers (e.g., Snap, AppImage) or build from source using test/db for stability or master for latest features.

When to use it — and when not to

Use Logseq when data ownership, offline access, and open formats are priorities over convenience features like native mobile editing or polished real-time sync. Avoid if you need zero-setup collaboration without joining alpha programs, or if your workflow depends on proprietary integrations (e.g., Notion-style databases). Self-hosting requires managing local storage and backups manually; RTC and DB features remain in alpha with documented data loss risk.

project readme (upstream, from github) — read inline

Logseq

A privacy-first, open-source platform for knowledge management and collaboration

Home Page | Blog | Documentation | Roadmap



Download Logseq

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latest release version

Table of Contents

🚀 Database Version

The Database version (DB version) of Logseq introduces DB graphs. See this page to get an overview of the main features for DB graphs. If you are an existing user, see changes with the DB version. The DB version has its own new mobile app (on iOS, with Android coming soon)! To participate in the mobile app alpha, please complete this brief form. The DB version also has a new sync approach, RTC (Real Time Collaboration)! You can use it to sync graphs between multiple devices or collaborate with others. To participate in the RTC alpha, please fill out this form.

The DB version is in beta status while the new mobile app and RTC is in alpha. This means that data loss is possible so we recommend automated backups or regular SQLite DB backups. We recommend you create a dedicated test graph and choose one project that’s not crucial for you.

To get started with the DB version:

  • To try the latest web version, go to https://app.logseq.com/.
  • To try the latest desktop version, go to https://github.com/logseq/logseq/releases/tag/nightly and download the artifact for your operating system.
  • To try the latest by building from the source code
    • Use test/db for stable releases. Fewer bugs and slower updates. Update frequency: days or weeks.
    • Use master for the latest updates as they are developed. Expect more bugs and faster changes. Update frequency: hours or days.
  • To report bugs, please file them at https://github.com/logseq/db-test/issues.
  • For feature or enhancement requests, please file them on Discord on the #db-feedback channel.
  • For discussions:
    • General ==> see the #db-chat channel in Discord.
    • Sync and RTC ==> see the #sync-test channel in Discord.
    • Mobile ==> see the #mobile-test channel in Discord.

🤔 Why Logseq?

Logseq is a knowledge management and collaboration platform. It focuses on privacy, longevity, and user control. Logseq offers a range of powerful tools for knowledge management, collaboration, PDF annotation, and task management with support for multiple file formats, including Markdown and Org-mode, and various features for organizing and structuring your notes.

In addition to its core features, Logseq has a growing ecosystem of plugins and themes that enable a wide range of workflows and customization options. Mobile apps are also available, providing access to most of the features of the desktop application. Whether you're a student, a professional, or anyone who values a clear and organized approach to managing your ideas and notes, Logseq is an excellent choice for anyone looking to improve their productivity and streamline their workflow.

logseq-demo

alt="Download Logseq"/></a>

👀 How can I use it?

To start using Logseq, follow these simple steps:

  1. Download the latest version of Logseq
  2. Install Logseq on your device and launch the application
  3. Start writing ✍️

That's it! You can now enjoy the benefits of using Logseq to streamline your workflow, manage your projects, and stay on top of your goals. Have fun! 🎉

Linux users: Use the automated installer script for the best experience:

# Download and run the installer
curl -fsSL https://raw.githubusercontent.com/logseq/logseq/master/scripts/install-linux.sh | bash

# Or install a specific version
curl -fsSL https://raw.githubusercontent.com/logseq/logseq/master/scripts/install-linux.sh | bash -s -- 0.10.14

# For user-specific installation (no root required)
curl -fsSL https://raw.githubusercontent.com/logseq/logseq/master/scr

readme truncated — read the full docs on github

Frequently asked questions

Is Logseq free to use?

Logseq is open source under the AGPL-3.0 licence. There is no licence fee and no seat count — you can self-host it or, where the project offers one, pay a vendor for a managed version instead.

What does Logseq do?

Privacy-first knowledge base that connects your notes

What is Logseq written in?

Logseq is primarily written in Clojure. Its source is publicly available at https://github.com/logseq/logseq, and it has 44,955 GitHub stars.

What is a good open source alternative to Notion?

Logseq is one of the open source options listed as an alternative to Notion. Compare licences, stars and activity side by side on the Logseq profile.