
Description: Fastest Fish is a free, open-source Internet speed test application. It allows users to test their download and upload speeds by transferring sample data packets to and from a speed test server. The simple interface displays real-time graphs so users can visualize speed fluctuations during the test.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Instant.io is a lightweight web-based code editor and IDE that allows developers to quickly test snippets of HTML, CSS, and JavaScript code. It has built-in support for 150+ front-end frameworks with auto-complete suggestions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API