Secur: Cross-platform 2FA client

A beautiful, cross-platform 2FA TOTP client written in FlutterMIT

Flauth

Privacy-first, open-source TOTP authenticator for 2FA token management.MIT

Reloado Auth - 2FA Authenticator

Secure, Free and Open Source 2FA TOTP Authenticator App with Sync and Web AccessAGPL-3.0-only

FreeOTP+

Two-factor authenticator (2FA) with one-time password protocols (OTP)Apache-2.0

KeyPass

Offline, Secure, PrivateMIT

Mauth

A Beautiful Two-factor Authentication app.GPL-3.0-or-later

Tokn - MFA / 2FA authenticator

Open-source 2FA authenticator. Encrypted on-device. No accounts.GPL-3.0-or-later

Pocket2FA

Secure 2FA code client of 2FAuth server that works offlineAGPL-3.0-only

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

KeePassVault

Client app for KeePass databasesApache-2.0

Cryptographic ID

Attest the trustworthiness of a device using asymmetric cryptographyMIT

KeePassDX Passkey Vault

Manage Passkey / Password in a local and open-source vaultGPL-3.0-or-later

Password Store

Manage your passwordsGPL-3.0-only

OpenConnect

Android UI for OpenConnect VPN clientGPL-2.0-or-later

Password Store (Passkey Edition)

Manage your passwordsGPL-3.0-only

Proton Authenticator

Private, secure, offline 2FA across devices by Proton teamGPL-3.0-or-later

Auth Token

OATH software tokensGPL-3.0-only

URSA

Native Android client for Uptime Kuma with FOSS push, no Google services.MIT