Take free, private, secure, unlimited, end-to-end encrypted, and decentralized notes in markdown/WYSIWYG editor. What else do you need? 🤔️ A blockstack app.

🔐 端到端加密笔记同步 | End-to-end encrypted note sync with real-time collaboration

Encrypted, offline note-taking app with notebook/section/page organization and AES-256-GCM encryption. Your data stays local — no cloud, no account.

End-to-end encrypted collaborative sticky notes — a ~300-line libVES.subtle.js reference app with in-browser encryption, per-note sharing & roles, key recovery, and an authoritative change log. No app server.

Self-hosted private workspace for notes, files, secrets, calendars, tasks, Drive, PWA, Windows, and Android.

A tiny encrypted personal timeline (no-password) for notes, links, drafts, and small files, designed to run on a simple PHP shared host with client-side encryption.

cloud-based encrypted notebook created with Django framework

Local-first encrypted notes app using browser crypto and no backend.

Free, open-source notes app with a built-in natural language calculator. Do math as you write, export to multiple formats, and sync with end-to-end encryption.

Note is a client-side encrypted note taking application that allows you to safely and securely share notes between multiple computers.