Reko is a free decompiler for machine code binaries that supports various processor architectures and executable formats. It offers multiple front ends, including command-line and GUI versions, and requires the .NET 6.0 SDK for compilation. Users must ensure they have legal rights to decompile any binaries they work with.

Oneiromancer is a reverse engineering assistant that leverages a fine-tuned LLM to analyze code snippets, providing high-level descriptions, recommended function names, and variable renaming suggestions. It supports cross-platform integration with popular IDEs and allows for easy installation via crates.io or building from source. The tool aims to enhance code analysis efficiency and improve developers' understanding of their code's functionality.

Radare2 (r2) is a powerful open-source reverse engineering tool that has evolved from a basic hexadecimal editor to a comprehensive command-line utility with various plugins and scripting capabilities. It supports numerous architectures and file formats, offering tools for debugging, disassembly, and binary analysis. Installation can be performed from the Git repository, and users can extend functionality through the r2pm package manager.

ImHex is a feature-rich hex editor designed for reverse engineers and programmers, offering extensive tools for data manipulation, visualization, and analysis. It supports various data types, a customizable interface, and advanced features like data hashing and integrated disassembly for multiple architectures. Users can also extend its functionality through a custom pattern language and plugins.