Notes GitHub Repositories (2026) · Open Source Tools

Keyboard-first local Markdown notes with Vim motions, diagrams, and MCP integration.

Markdown knowledge graph — LSP for your editor, CLI + MCP memory for your AI agents

A free, open-source app for creating interactive timelines for worldbuilding and history.

✎ Distraction-free notes and writing

jtx Board allows you to manage your Journals (like meeting minutes), Notes and Tasks in one Android app. The app is compatible with the iCal standard (RFC5545) and is integrated with DAVx5 to allow the synchronisation of entries through CalDAV.

Glass Keep is Keep Notes alternative using Glass design. Docker Server, Tauri Clients and PWA

Terminal-based markdown note manager.

A simple text field for adding quick notes without ads.

Bookmarks & Notes Manager for Developers — with Markdown and Code Snippets support

Google Keep-style notes for iOS, Android, and self-hosting. Offline-first, with optional sync.

Lightweight journal and simple notes support for Visual Studio Code

Multiplatform note app with encryption

Hylo: Personal knowledge agent compatible with Obsidian.

Handwritten notes and a whiteboard in your browser. Write with a pen, keep the pdf next to your notes. No account, nothing leaves the browser.

Notes for iPhone and Mac that ChatGPT, Claude, Claude Code and Codex can read and edit. Feels like Apple Notes, imports it too. Open source, encrypted.

CLI interface to Tomboy and Gnote

A macOS desktop pet that keeps your notes and reminders in view and waves when your coding agent needs you. Local only, CLI first.

Handwritten Notes & eReader App with Stylus support

A quiet, local-first daily notes app for macOS

Self-hosted Obsidian vault sync for iOS — powered by Syncthing.