
Description: NumberDrop is a cloud-based phone system designed for small businesses. It provides a virtual phone system with features like call routing, voicemail, call recording, and more. NumberDrop aims to simplify business phone systems with an easy-to-use online interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tchisla is an open-source, cross-platform spreadsheet application with basic spreadsheet functionality like formulas, charts, and pivot tables. It aims to provide a free alternative to Microsoft Excel.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API