Logseq

Free tier

A privacy-first, open-source knowledge base for networked thought

Free tier available·All audiences·API available·Open source

Key strengths

Privacy-firstOpen-source

Free tier + paid plans

Founded 2020

Self-hostable

Facts verified against logseq.com on Oct 5, 2026

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Logseq – Technical Overview

Logseq is a privacy-first, open-source knowledge base. As an open-source project, its codebase is publicly available for inspection, contribution, and self-hosting, giving developers full transparency into how data is handled. Its privacy-first architecture ensures that user data is not sent to third-party servers by default.

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