Introduction
Logseq is an open-source, local-first note-taking and knowledge management tool that builds a knowledge graph on an outline (block) structure and bidirectional links. It supports Markdown and Org-mode formats, making it suitable for organizing notes into an interconnected, queryable long-term knowledge base.
Key features
- Outline-based editing, block references and transclusion (block reference / transclusion)
- Bidirectional links and a visual graph (Graph View) to quickly discover connections
- Powerful query syntax and task management (TODO, dates, priorities)
- Templates, plugins, and community extensions; supports
codehighlighting and note publishing - Local-first storage, with support for Git/third-party sync and the official paid sync service
Use cases & highlights
Suitable for researchers, students, writers, product and engineering teams, and individual knowledge workers who value privacy and portability. Main advantages are plain-text exportability, privacy- and offline-first, a flexible, extensible ecosystem, and strong semantic linking capabilities, which make it easy to accumulate knowledge over time, reuse content, and uncover connections.