Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication
- Authenticator
- Free • Proprietary
- Android
- iPhone
- Android Tablet
- iPad



Secure: It is not possible to use your computer after you have locked it with KeyLock. Our software uses the Windows lock screen to lock your PC, making it impossible to reach the desktop. After unlocking, you can immediately use your computer again.
- Free • Proprietary
- Windows

LastPass Authenticator offers a unique one-tap password verification experience that no other authenticator app delivers.
- Authenticator
- Free • Proprietary
- Android
- iPhone
- Android Tablet
- iPad

Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.
- Authenticator
- Paid • Proprietary
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch



Enhances account security with encrypted 2FA, MFA support, device sync, biometric and PIN lock, password manager, breach alerts, and Apple Watch access.
- Authenticator
- Freemium • Proprietary
- iPhone
- Apple Watch



IndieAuth is a way to use your own domain name to sign in to websites. It works by linking your website to authentication providers such as Twitter or Google, then entering your domain name in the login form on websites that support IndieAuth.
- Discontinued
- Authentication Protocol
- Free • Open Source
- Self-Hosted

CryptoPhoto gives you a fast and safe way to log into your favorite participating web sites while enjoying leading-edge protection against phishing, malware attacks, and scamming.
- Freemium • Proprietary
- Windows
- Android
- Android Tablet
- Self-Hosted



Daito is a web-based 2FA authenticator for TOTP tokens. It enables you to share 2FA tokens with others to simply protecting shared accounts. No phone needed.
- Authenticator
- Paid • Proprietary
- Online
- Software as a Service (SaaS)

The app for calculating one-time-passwords on iPhone and iPad. OTP Auth can be used with any service that uses one time passwords. This includes services like Dropbox and GMail with two-step-verfification enabled. OTP Auth is QR code enabled.
- Authenticator
- Freemium • Proprietary
- Mac
- iPhone
- iPad
- Apple Watch

pGina is a replacement for the default Windows Credential Provider. Through plugins, pGina allows you to configure the login process from authentication and authorization through Radius, SSH, Kerberos, POP, IMAP,... remote servers.
- Free • Open Source
- Windows

CAcert.org is a community-driven Certificate Authority that issues certificates to the public at large for free.
- Warning
- Free • Proprietary
- Online
Single sign-on solution specifically built for modern FOSS hosted services.
- Free • Open Source
- Online
Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites.
- Authenticator
- Free • Open Source
- iPhone



privacyIDEA is a modular authentication server that can be used to enhance the security of your existing applications like local login, VPN, remote access, SSH connections, access to web sites or web portals with two factor authentication.
- Free • Open Source
- Linux
- Self-Hosted

SteamDesktopAuthenticator - Desktop implementation of Steam's mobile authenticator app.
- Free • Open Source
- Windows
- .NET Framework
No-code authentication service. Octauthent can help you secure any website with a login form, without a single line of code.
- Identity Management Tool
- Freemium • Proprietary
- Online
- Software as a Service (SaaS)

10Duke Identity Provider makes it easy for your customers to access and register to multiple applications with single username and password or using their favorite social login, secures profile data and easily integrates with leading business tools.
- Identity Management Tool
- Paid • Proprietary
- Online
- Self-Hosted

EasyDMARC’s data-driven SaaS-based platform empowers organizations to implement and monitor DMARC, DKIM, SPF, and BIMI. These crucial and globally adopted email security standards, both old and new, protect the employees, partners, and customers by eliminating email fraud...
- Paid • Proprietary
- Online

Collect, store, structure, and analyze all your data. More powerful than a spreadsheet, still as easy to use. Fully customizable, but works like magic out of the box.
- Spreadsheet App
- Paid • Proprietary
- Software as a Service (SaaS)
MiniAiLive Intelligent ID OCR for Reliable Identity Verification From document verification to data entry, our MiniAiLive OCR solution can help transform your identity verification process.
- Paid • Open Source
- Online
- Android



Application that joins Linux, Unix, and Mac machines to Microsoft Active Directory and securely authenticates users with their domain credentials.
- Free • Open Source
- Mac
- Linux

Talo is an open source, self-hostable game backend. It's the easiest way to integrate leaderboards, stats, analytics and more into your game.
- Backend as a Service
- Freemium • Open Source
- Online
- Self-Hosted
- Docker
- npm

Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.
- Discontinued
- Authenticator
- Paid • Proprietary
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Android Wear

Frontegg is a developer platform that enables product-led-growth through a customer-facing user-management interface embedded seamlessly within any product.
- Freemium • Proprietary
- Online
- Software as a Service (SaaS)





































































