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55 open-source notes and to-do apps

Open Source Notes & To-Do Apps

The most popular open-source notes and to-do apps for Android on GitHub are Joplin, Logseq and Notesnook. appsgit lists 55, 50 of them on F-Droid, each with its license, last commit and store links.

Updated Oct 28, 2026

Open Source Notes & To-Do Apps

Showing 1-48 of 55 by GitHub stars. All mobile apps A to Z · JSON API

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What are the best open-source notes and to-do apps?

By GitHub stars, Joplin is the most popular (56,911 stars), followed by Logseq and Notesnook. Each page lists the license, the last commit and the F-Droid, Google Play or App Store link when the project publishes one.

Which of these apps work on iPhone?

8 of the 55 open-source notes and to-do apps listed here run on iOS, including Joplin and Standard Notes, and 55 run on Android.

Are these apps on F-Droid?

50 of the 55 are on F-Droid, which builds them from source. 46 of those have no anti-features (such as ads, tracking or a non-free network service) flagged by F-Droid; each app page lists any that are.

How are these open-source notes and to-do apps chosen?

Apps come from the F-Droid index (apps whose source code is on GitHub), GitHub topics such as android-app, flutter-app, ios-app and jetpack-compose, and a short hand-checked list of official apps that are not on F-Droid. An app is listed only if its license is OSI-approved or FSF-free (F-Droid's license first, then GitHub's), the repository has a README and a commit in the last six months and is not archived, and it has 100+ GitHub stars (F-Droid apps) or 300+ stars (everything else). Libraries, SDKs, templates, samples and demo apps are left out. Source-available apps are never listed.