
Description: Kahuti is a free game-based student response system designed for teachers. It allows teachers to ask multiple choice, true/false, or open-ended questions and students to respond in real-time using their own devices. Results are instantly aggregated on the teacher's screen.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nextdoor is a private social networking platform for neighborhoods. It allows residents to connect with people who live in their immediate neighborhood. Features include posting about local events, reporting crime/safety issues, finding/recommending local businesses, buying/selling used items, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API