Similar to FileVault

BitLocker

EncFS

LibreCAD

LibreSSL

OpenVPN

Peer-to-peer

Pretty Good Privacy

S/MIME

Security Support Provider Interface

Signal Protocol

Comparison of TLS implementations

WireGuard

Alpine Linux

LogMeIn Hamachi

VeraCrypt

Next-Generation Secure Computing Base

Apple Mail

Apple Push Notification service

Classic Environment

DVD Player (macOS)

Inkwell (Macintosh)

Keychain (software)

Secure Enclave