
Description: Instant Username Search is a free online tool that allows you to check if a desired username or vanity URL is available across over 70 popular social media sites and apps. It provides real-time feedback on username availability to help users find an unused, unique username for their profiles.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Username Check is a free online tool that allows you to check if a username or handle is available across over 100 popular social media, gaming, and other online platforms. It's useful for creating new accounts and ensuring your desired username is unique.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API