
Description: HAPedit is a free, open source hex editor for Windows. It allows users to view and edit the raw contents of files in binary or hexadecimal format. Some key features include binary data visualization, flexible parsing rules, search and replace, checksums, data inspection, and export.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Notepad++ is a free and open-source text editor for Windows. It supports syntax highlighting for over 100 programming languages and markup languages. Notepad++ is highly customizable with plugins and themes and includes features like multi-view editing, macro recording and code folding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API