Logseq

Logseq is a privacy-first, open-source knowledge base built around outlining and connected notes. Unlike cloud note apps, it stores your notes as local plain-text and markdown files that you own and control, and it links ideas together with backlinks and a graph view — helping you build a personal knowledge network over time. For note-takers, researchers, and students who value privacy, ownership, and connected thinking, Logseq is a beloved, free option.

What is Logseq?

Logseq is a privacy-first, open-source knowledge base and outliner for taking and connecting notes. It is local-first: your notes are stored as plain-text and markdown files on your own device, so you own your data rather than locking it into a proprietary cloud. As an outliner, it organizes thoughts in bulleted, nestable blocks, and it emphasizes networked note-taking through bidirectional links (backlinks) and a graph view that visualizes how your notes connect, encouraging a personal knowledge graph. It supports features common to modern knowledge tools — daily journals, page and block references, tags, queries, and PDF annotation — and has an active community and plugin ecosystem (including AI-related plugins). Logseq is free and open-source; an optional paid Logseq Sync service provides encrypted syncing across your devices. It appeals to those who value privacy, data ownership, and connected, long-term knowledge management.

What it does well

• Local-first and private: your notes stay in files you own.
• Connected notes: backlinks and a graph view.
• Open-source: free, with an active community and plugins.
• Outliner: fast, structured, block-based note-taking.

Who it is for

Logseq fits note-takers, researchers, students, and knowledge workers who want a private, local-first, open-source tool to build a connected knowledge base — and who value owning their data as plain-text files rather than trusting a proprietary cloud. Its backlinks and graph view suit those who like networked, long-term note-taking. People who prefer a polished, fully managed cloud app with minimal setup may find other tools easier, and its block-based, local approach has a learning curve, but for private, connected, open-source knowledge management, Logseq is an excellent, free choice.

Things to keep in mind

• Its local-first, block-based approach has a learning curve.
• Cross-device syncing uses the optional paid Logseq Sync (or your own setup).
• It is less turnkey than some polished cloud note apps.

Our verdict

Logseq is a beloved, privacy-first knowledge tool, and its principles are its strength: local-first storage in plain-text and markdown files you own, open-source and free, with backlinks and a graph view that turn scattered notes into a connected personal knowledge base. As an outliner with journals, references, and a plugin ecosystem, it rewards those who value privacy, data ownership, and networked thinking. It has a learning curve and syncing uses the optional paid service, but for private, connected, open-source note-taking, Logseq is an excellent, free choice.

Frequently asked questions

What is Logseq?

Logseq is a privacy-first, open-source knowledge base and outliner that stores notes as local plain-text and markdown files and links them with backlinks and a graph view.

Is Logseq free?

Yes, Logseq is free and open-source; an optional paid Logseq Sync service adds encrypted syncing across your devices.

Is Logseq private?

Yes, Logseq is local-first: your notes are stored as files on your own device, so you own and control your data rather than storing it in a proprietary cloud.

Who is Logseq for?

It is for note-takers, researchers, students, and knowledge workers who want a private, local-first, open-source tool for connected, long-term note-taking.