
Description: OnlyKey is a physical security key that can replace passwords and two-factor authentication tokens. It encrypts and stores passwords, generates one-time passcodes, supports FIDO U2F authentication, and integrates with various password managers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: U2F Zero is an open-source USB security key that supports the Universal 2nd Factor (U2F) authentication standard. It is designed to be small, inexpensive, and easy for users to carry for strengthening logins to websites.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API