
Description: GraphicalHttpClient is an open-source, cross-platform HTTP client application with a graphical user interface. It allows users to easily send HTTP requests, view server responses, and test APIs in a visual way.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HTTP Toolkit is an open-source web debugging proxy and HTTP inspection tool. It allows developers to intercept, inspect, and modify HTTP requests and responses as they pass between a browser or application and the server.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API