Best Open Source Alternatives to Microsoft OneNote

Compare the best free and open-source alternatives to Microsoft OneNote — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 7 alternatives

Microsoft OneNote

Proprietary SaaS

PricingFreemium

Platformsweb, desktop, mobile, windows, macos, android, ios

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Microsoft OneNote alternatives compared

Open-source alternatives to Microsoft OneNote, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
AppFlowy	74,748	AGPL-3.0	LinuxmacOSWindowsandroid	No	Jul 2026	Visit
Joplin	55,795	MIT	LinuxmacOSWindowsandroid	No	Aug 2026	Visit
Trilium Notes	37,182	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Aug 2026	Visit
Notesnook	14,349	GPL-3.0	LinuxmacOSWindowsWeb	Yes	Aug 2026	Visit
Standard Notes	6,574	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
CherryTree	3,922	GPL-3.0	LinuxmacOSWindows	No	Jul 2026	Visit
Linwood Butterfly	1,945	AGPL-3.0	Linux	No	Aug 2026	Visit

Top open-source Microsoft OneNote alternatives

AppFlowy74,748AGPL-3.0

An open-source block-based alternative to Notion built with Flutter and Rust.

LinuxmacOSWindowsandroidios

vs Microsoft OneNote: a free, open-source option you fully control, licensed AGPL-3.0.

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Joplin55,795MIT

An open source note-taking and to-do application with synchronization capabilities.

LinuxmacOSWindowsandroidios

vs Microsoft OneNote: a free, open-source option you fully control, licensed MIT.

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Trilium Notes37,182AGPL-3.0

A hierarchical note-taking application focused on building large personal knowledge bases.

LinuxmacOSWindowsDockerWeb

vs Microsoft OneNote: a free, open-source option you fully control, licensed AGPL-3.0.

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Notesnook14,349GPL-3.0

A zero-knowledge private note-taking application designed as a secure Evernote alternative.

LinuxmacOSWindowsWebandroid

vs Microsoft OneNote: a free, open-source option you fully control, licensed GPL-3.0.

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Standard Notes6,574AGPL-3.0

A secure, end-to-end encrypted notes app designed for digital privacy.

LinuxmacOSWindowsDockerWeb

vs Microsoft OneNote: a free, open-source option you fully control, licensed AGPL-3.0.

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Best Open Source Alternatives to Microsoft OneNote

Microsoft OneNote

Microsoft OneNote alternatives compared

Top open-source Microsoft OneNote alternatives

More alternatives to Microsoft OneNote

CherryTree

Linwood Butterfly