Conceal Authenticator
Secure 2FA authenticator with blockchain backup and encryption.BSD-3-Clause
ANOTHERpass
Another way to manage passwords
(password manager and 2FA authenticator)MIT
Proton Pass: Password Manager
Password manager created by the scientists who met at CERN behind Proton Mail.GPL-3.0-or-later
Ente Auth - 2FA Authenticator
Free, Cross Platform, Private, Open Source Two Factor Authenticator AppAGPL-3.0-only