siyuan-note/siyuan
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作
Open source alternative to Notion
SiYuan is an open source TypeScript project by siyuan-note, created in August 2020. It has 46,871 stars and 3,079 forks on GitHub and is released under the AGPL-3.0 license. Its most recent commit was on Oct 21, 2026, and it has 14 open issues. Its GitHub topics include note-taking, local-first, knowledge-base, and markdown.
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