
Description: Talkatone is a free voice over IP app and service that allows users to make phone calls, send SMS messages, and more over WiFi or data connections. It provides a free phone number and works on both Android and iOS devices.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yolla is a free online design collaboration tool that allows teams to share, review, and iterate on designs in real-time. It has features like commenting, version history, task management, and integrations with design tools like Figma and Adobe XD.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API