Myne is a privacy-first markdown notes app that encrypts every byte before it leaves your device, asks for no email, and stores only ciphertext at rest — quietly, by default.
Your password is stretched with Argon2id (m=256 MiB, t=3, p=2) into a key that never leaves the device. Parameters are bound into the ciphertext to defeat downgrade attacks.
Every note is sealed with XChaCha20-Poly1305 plus a key commitment before it touches disk. Content, titles, folders, timestamps — all of it.
Your notes' contents are unreadable on disk without your password. There is no plaintext mode to forget to enable, and no opt-out toggle to misconfigure.
The same zero-knowledge server — self-hostable, or hosted by us — stores and routes ciphertext, never holding a key. (Sync is in pre-alpha hardening.)
Comparison reflects each tool's default configuration. Myne is pre-alpha, with no published signed release yet — cells marked partial on the Myne column (zero-knowledge sync, self-hostable sync) are implemented in code and ship in v1.0 (Phase 1); signed reproducible builds are a committed v1.0 deliverable, not yet produced. Only the managed hosted-sync tier is Phase 2. Obsidian's own at-rest encryption and self-hosted sync need add-ons (e.g. Cryptomator, Syncthing) it doesn't ship.
No vault is worth much if you can't understand it. Straight answers, including the uncomfortable ones.
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