Open Source #notes Projects
Discover open source software tagged with notes.

HelixNotes
A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.
Obsidian
OpenKnowledge
AI-native, local-first markdown editor and LLM wiki with built-in integrations for Claude, Codex, and other agents.

Anchor
Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.
Google Keep
Many Notes
A Markdown note-taking web application designed for simplicity with vaults, collaboration, and PWA support.

Files.md
A simple local-first note-taking app for your plain .md files with Telegram bot access.

Puppyone
Open source local-first editor for Markdown, docs, rich files, and AI agents — with built-in terminal and Git review.

Quillpad
A free, open-source Android app for markdown notes and task lists with reminders, file attachments, and optional Nextcloud sync.
Google KeepJotted
Self-hosted tasks and notes management with offline support, push reminders, and full-text search in a single Docker container.