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a2fa alternatives

a2fa ("annoying two-factor authentication") is a command line tool for generating and validating one-time password.

csyezheng Password managers #58 Password managers

12 Windows apps in the same category as a2fa, ranked by what they have in common and by popularity.

  • Bitwarden

    A secure and free password manager for all of your devices.

    Open source 2026.10.1 2.3M ↓ ★ 14K
  • KeePassXC

    KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.

    Open source 2.8.0 849.8K ↓ ★ 29.4K
  • Yubico Authenticator

    Authenticator to generate 2-step verification codes using your YubiKey

    Open source 7.4.2 153K ↓ ★ 1.4K 2fa, authenticator, hotp
  • KeeWeb

    Free cross-platform password manager compatible with KeePass.

    Open source 1.18.7 39.8K ↓ ★ 13K
  • Ente Auth

    Open source 2FA authenticator, with end-to-end encrypted backups.

    Open source 4.4.26 11.2K ↓ ★ 29.5K 2fa, authenticator, totp
  • 1Password

    Top-Rated Password Manager for Personal & Business Use

    Proprietary 8.12.36.40 1.2M ↓
  • Password Safe

    Popular, secure, and convenient password manager.

    Open source 3.73.0 103.2K ↓ ★ 885
  • Buttercup

    A free, open-source and cross-platform password manager.

    Open source 2.28.1 18K ↓ ★ 4.4K
  • QtPass

    A multi-platform GUI for pass, the standard unix password manager.

    Open source 1.8.4 14K ↓ ★ 1.2K otp, totp
  • LastPass

    An online password manager and form filler that makes web browsing easier and more secure.

    Proprietary 5.4.5.1509 504K ↓
  • AuthPass

    Free and Open Source password manager for Android, iOS, MacOS, Linux and Windows. Compatible with KeePass.

    Open source 1.9.11_2007 19.7K ↓ ★ 2.8K
  • Gopass CLI

    gopass is a simple but powerful password manager for your terminal

    Open source 1.17.3 8.9K ↓ ★ 7.3K

Comparison

AppLicenceVersionUpdatedGitHub starsChocolatey downloads
a2fa Open source 0.16.5 November 15, 2023 129 —
Bitwarden Open source 2026.10.1 October 23, 2026 14K 2.3M
KeePassXC Open source 2.8.0 October 22, 2026 29.4K 849.8K
Yubico Authenticator Open source 7.4.2 September 9, 2026 1.4K 153K
KeeWeb Open source 1.18.7 July 26, 2021 13K 39.8K
Ente Auth Open source 4.4.26 October 19, 2026 29.5K 11.2K
1Password Proprietary 8.12.36.40 September 8, 2026 — 1.2M
Password Safe Open source 3.73.0 October 9, 2026 885 103.2K
Buttercup Open source 2.28.1 September 9, 2024 4.4K 18K
QtPass Open source 1.8.4 October 26, 2026 1.2K 14K
LastPass Proprietary 5.4.5.1509 August 18, 2026 — 504K
AuthPass Open source 1.9.11_2007 March 19, 2024 2.8K 19.7K
Gopass CLI Open source 1.17.3 September 30, 2026 7.3K 8.9K