Open Source Note Taking Apps for Android

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Local-first, privacy-focused notebook supporting Markdown and Org mode, offline use, encrypted backup, extensible with plugins, and more.

End-to-end encrypted note-taking with offline access, unlimited sync across devices, tagging, passcode and biometric security, plus advanced premium privacy features.

Notesnook is a simple and cross-platform private notes app that keeps your notes organized and synced on your phone, tablet and computer. Take notes, capture ideas, create to-do lists, keep a journal, write your assignments and manage projects, we have got you covered.

AppFlowy is an open source alternative to Notion. You are in charge of your data and customizations.

Made by the company behind WordPress, Simplenote enables users to take notes, lists, and ideas. These notes are stored on the cloud and are accessible across multiple devices.

There can be more than Notion / and Miro. Affine is a next-gen knowledge base that brings planning, sorting and creating all together.

Your personal note-taking haven for privacy and efficiency.

Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...

SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.

Whether it's bookmarks or passwords, files or shopping lists...Turtl organizes it all and makes it easy to find later. Sync across your devices. Leave nothing behind.

Introducing Fossify Notes – your ultimate tool for effortless note-taking, organization, and planning. Simplify your life with this intuitive organizer designed to streamline your tasks and ideas effortlessly.

DeepNotes is an open source, end-to-end encrypted visual note-taking app with deep page navigation and live collaboration. Create mind maps, diagrams, kanban boards, among others. Infinite nesting of infinite canvases.

Offline-first app for organizing tasks and notes, with smart creation, calendar view, Markdown and encryption, Material You design, and no tracking or ads.

EasyNotes: Jetpack Compose MVVM for seamless note-taking. Effortless creation, editing, and organization.

Mimiri Notes provides a safe place to store your notes, passwords, and confidential data with strong encryption and real-time synchronization across all your devices.

Simple Notes Jetpack Compose - Clean, intuitive note-taking open source app.

A minimalistic notes app. Notally it's extremely light, minimalistic and elegant. There are minimal dependencies and lines of code. (All without compromising on readability).

Distraction-free note-taking app with categories, Markdown formatting, favorites, and RESTful API. Integrates with Nextcloud clients for seamless syncing.

Note taking open-source application aimed to have both a simple interface but keeping smart behavior.

acreom is an actionable personal knowledge base for developers. It helps developers ship faster by centralizing personal and team context in one place.

Carnet is a complete and rich note taking app for Android and Linux that can be synced with NextCloud (selfhosted) or the official Carnet server.

The shkipper is designed to make your life easier and organize your daily activities. Take notes, schedule reminders with flexible repeat modes (daily, weekly, monthly, yearly) and don't forget important events.

Minimalistic Android note taking App | Notally, but eXtended.

Outliner for taking notes and managing to-do lists.