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SiYuan

Yunnan Liandi Technology Co., Ltd.

Open-source knowledge workspace for humans and AI agents

Android only

Get SiYuan

Get it on Google Play

Get it with Aurora Store Get it on F-Droid Get it on Zapstore

What are these stores? Google Play, Aurora Store, F-Droid, Zapstore

SiYuan is an open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together.

Developer: Yunnan Liandi Technology Co., Ltd.
Website: b3log.org/siyuan/
Source code: github.com/siyuan-note/siyuan-android
Added to AppCosmos: 9 October 2026
License: AGPL-3.0-only