Fossify Notes | F-Droid - Free and Open Source Android App Repository
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To do list widget with a notebook organizer, checklist, simple shopping list

https://www.fossify.org/

Fossify is all about community-backed, open-source, and ad-free mobile apps. A fork of the SimpleMobileTools, which is no > longer maintained, and we’re here to continue > the legacy, bringing simple and private tech > to everyone.