YubiKey 5Ci

Security key with dual support for USB-C and Lightning.
fidobooster

Program that adds an access request windows logon via u2f tocken to.
Nitrokey

Email Encryption. Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client.
Aegis Authenticator

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens…
Ory

Developer-first Access Management.
passQi

passQi provides both an intelligent password management mobile app and a complementary server-side solution called mFactor to implement a proprietary Multi Factor Authentication login for WordPress and other web sites.
Telegram Passport

Unified API for services that require personal ID.
Myki Authenticator

Login to any account on any device with your fingerprint.
SoloKeys

Secure login made open and easy .
secure-ls

Secure localStorage data with encryption and compression.