
Description: KillerCoder is a lightweight code editor and IDE aimed at web developers. It has support for syntax highlighting, auto-completion, debugging tools, and git integration. KillerCoder is praised for its clean and intuitive interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Topcoder is an online platform that connects businesses with a global community of developers, designers, data scientists, and competitve programmers. Businesses post competitions on Topcoder for the community to submit solutions and get rewards.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API