
Description: CFR is an open-source Java library and set of tools that allow you to view, edit, and analyze the bytecode of Java applications. It can decompile Java bytecode back into Java source code for debugging and understanding purposes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: dotPeek is a free .NET decompiler from JetBrains. It allows developers to view and analyze the source code of .NET assemblies without needing the original source code. dotPeek supports debugging and can integrate with ReSharper.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API