OneTimePass
Two-factor (TOTP) authenticationLGPL-2.1-only
Secur: Cross-platform 2FA client
A beautiful, cross-platform 2FA TOTP client written in FlutterMIT
FreeOTP+
Enhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticatorApache-2.0
KeyPass
Offline, Secure, PrivateMIT
FreeOTP
Two-factor authenticationApache-2.0
mOTP
One-time password generatorApache-2.0
Aegis Authenticator
Free, secure and open source 2FA app to manage tokens for your online servicesGPL-3.0-only
Cryptographic ID
Attest the trustworthiness of a device using asymmetric cryptographyMIT
KeePassDX
Secure and open source password manager compatible with KeePass files.GPL-3.0-or-later
Mauth
A Material You Two-factor Authentication app.GPL-3.0-or-later
Auth Token
OATH software tokensGPL-3.0-only
OpenConnect
SSL VPN client for Cisco AnyConnectGPL-2.0-or-later
YubiTOTP
Generate OATH codes with YubiKey NEO over NFCBSD-2-Clause
GitNex for Forgejo and Gitea
Client for GiteaGPL-3.0-only