Radare2 is an open-source reverse engineering framework and debugger used by security and cyber security professionals. It is designed to disassemble, debug, and analyze binaries on various platforms and architectures. Radare2 can be used to modify existing binaries and create new ones from scratch. It has a built-in scripting language to automate common tasks and can be used to debug both local and remote processes. Radare2 provides an interactive user interface that allows users to gain a deeper understanding of code, identify and fix bugs, and analyze code for security vulnerabilities. Radare2 also supports a wide range of plug-ins and extensions, allowing users to extend the functionality of the framework.
IDA
GNU Project Debugger
OllyDbg
x64dbg
Hopper
radare
Binary Ninja
REDasm
Discontinued The program is no longer updated. The latest version, 2.01, released in September 2013, can still be downloaded from the official website.