A secure note-taking platform where encryption and decryption happen entirely on the client — the server stores only ciphertext. Offline-first sync, zero-knowledge sharing via X25519 key exchange, Argon2id + AES-GCM-256, and one Flutter codebase across web, mobile, and desktop.
Built on
Flutter · Spring Boot (Java 25) · OIDC/PKCE (WeldForge)