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/Note Taking

Note Taking

10 open source tools found

Office Productivity

AppFlowy

Open source Notion alternative with AI workspace and full data privacy control.

Open source alternative to Notion with AI-powered workspace, full data control, and cross-platform native experience.

Uninstall like any standard application. If self-hosted, delete the server data directory (see docs). To remove local cache, delete the AppFlowy user data folder.

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Office Productivity

memos

Self-hosted, Markdown-native note app that prioritizes speed and privacy.

Open-source, self-hosted note-taking tool for quick capture. Markdown-native, lightweight, and fully yours.

For Docker: docker stop memos && docker rm memos && rm -rf ~/.memos. For binary: delete the downloaded files and ~/.memos directory.

Office Productivity

siyuan

Privacy-first knowledge management with block-level references and Markdown WYSIWYG.

A privacy-first personal knowledge management system with fine-grained block-level references and Markdown WYSIWYG.

Windows: uninstall via Control Panel; macOS: drag app to Trash; Linux: remove via package manager; Docker: stop and delete container.

Office Productivity

Trilium Notes

A free, open-source hierarchical note-taking app with self-hosted sync, scripting, and rich visualization.

Trilium Notes is a cross-platform, hierarchical note-taking application that organizes notes in a tree structure, supports cloning, rich editing, scripting, encrypted notes, and self-hosted synchronization. Ideal for building large personal knowledge bases.

Delete the application folder. User data is stored in ~/.trilium-data; remove it manually if needed.

File Management

tolaria

A desktop app that treats notes as plain files and your vault as a Git repo—offline, portable, and AI-ready.

A desktop app for macOS, Windows, and Linux to manage markdown knowledge bases with a files-first, Git-first, offline-first approach, offering zero lock-in and AI integration support.

macOS: Drag Tolaria.app from Applications to Trash; Windows: Go to Settings > Apps > Apps & features, find Tolaria and uninstall; Linux: Use your package manager (e.g., sudo apt remove tolaria) or delete the installation folder.

AI Productivity

blinko

Lightweight AI note-taking app with self-hosted privacy and natural language search.

AI-powered card note-taking tool for quickly capturing fleeting thoughts, with self-hosted data privacy and multi-platform support.

Docker: docker stop blinko && docker rm blinko && remove data folder. Desktop: drag app to Trash and clear cache.

File Management

TagSpaces

Tag your files, search offline, take notes — all private, cross-platform, and free.

Free open-source offline file organizer with tagging, search, and note-taking. Cross-platform (Windows, Linux, macOS).

Windows: use Control Panel. macOS: move TagSpaces.app to Trash. Linux: depending on package type (deb/rpm/AppImage), use package manager or delete the directory.

Developer Tools

flatnotes

Self-hosted, database-less notes app using plain markdown files.

Flatnotes is a minimalist self-hosted note-taking web app that stores notes as plain markdown files in a folder. No database, no lock-in.

Stop and remove container: docker stop flatnotes && docker rm flatnotes. Delete the data directory to fully remove.

Privacy Protection

jotty

Ditch the database: file-based, encrypted notes & checklists for your own server.

A self-hosted app for checklists and notes with file-based storage, PGP encryption, and a clean WYSIWYG editor.

Stop and remove container: docker compose down; delete the project directory (including data folder for all data).

File Management

Many Notes

Self-hosted Markdown notes app with dual storage, multi-user support, and real-time collaboration.

A simple, self-hosted Markdown note-taking web app with database power and filesystem portability.

Stop containers: docker compose down; remove volumes: docker volume rm <name> (backup data first).

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