Paranoid Qrypto Offline/air-gapped/encryption(Argon2id+AES-256-GCM)
Air-gapped QR-code encryption, but paid tiers ($99+) for basic features existing tools offer.
A single-file, zero-dependency password manager that encrypts your data locally using AES-256-GCM. Your passwords live in a portable .vault file you own and control — no server, no account, no cloud.
One encrypted .vault file you carry anywhere with zero dependencies.
Privacy-conscious users, offline password management seekers
KeePass · Bitwarden · 1Password
Air-gapped QR-code encryption, but paid tiers ($99+) for basic features existing tools offer.
Solid local encryption but FileVault and Cryptomator already solve this.
1Password replica built entirely by Claude Code to audit AI-generated security code.
Solves $120B Bitcoin inheritance problem with USB-only, one-time payment model.
Cross-corpus Zstd dictionary + per-record AES-256-GCM, but cryptography audit is missing.
Your own S3 bucket with client-side encryption beats yet another cloud vault.