
Description: Sharp World Clock is a free, open-source world clock app for Windows. It displays the current time in different cities around the world, allows you to create customizable clocks, and has useful features like alarms, a calendar, a stopwatch, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: World Time Buddy is a simple web-based tool that allows users to compare time zones and plan calls or meetings across time zones. It displays a grid showing the local times in different cities so people can easily coordinate schedules across regions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API