OneTimePass

Two-factor (TOTP) authenticationLGPL-2.1-only

andOTP

Time-based One-time Passwords (TOTP) from QR codes for two-factor authenticationMIT

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

OTP Authenticator

A two-factor authentication AppMIT

OpenConnect

SSL VPN client for Cisco AnyConnectGPL-2.0-or-later

YubiTOTP

Generate OATH codes with YubiKey NEO over NFCBSD-2-Clause

ente Authenticator

ente is an end-to-end encrypted authenticator appGPL-3.0-only

GitNex for Forgejo and Gitea

Client for GiteaGPL-3.0-only