DeadSwitch – Encrypted USB vault with dead man's switch
Solves $120B Bitcoin inheritance problem with USB-only, one-time payment model.

Offline encryption vault for one-off secrets without accounts, servers, or GPG.
Privacy-conscious individuals, IT admins sharing credentials, non-technical users needing secure handoffs
Bitwarden Send · GPG · Signal
Solves $120B Bitcoin inheritance problem with USB-only, one-time payment model.
Clean PGP GUI alternative to Kleopatra for basic sign and encrypt workflows.
Spiritual successor to unmaintained Mini Diary with stronger crypto and modern stack.
GUI for TCG self-encrypting drives with pre-boot auth, finally usable.
Encrypts files one-by-one from a single runnable JAR, which is nice for cross-platform use and managing many small vaults without re-archiving. The README clearly explains usage, but there’s no visible discussion of algorithms, key management, integrity guarantees, or threat model — that omission keeps this from standing out in a space already served by mature tools like age/gocryptfs.
Runtime injection bypasses .env files entirely—secrets never touch disk.