Free tools for reverse engineering, code inspection and software analysis, from disassemblers to engines that rebuild what they study.
Reverse engineering used to mean either an expensive commercial disassembler or a stack of scripts and a lot of patience. The free options here read a binary, a page or a project and tell you what it does, and the newest of them will go one step further and have an agent build a working replacement from what it learned.
Start with Craft Anything, from the ArtCraft team. It is a pure-Rust engine with 314 inspection tools, a desktop app, a CLI and an MCP server, and it covers websites, native binaries, .NET, Java, Android, Electron, firmware, packet captures and game files. Its clean-room mode reads only what a user can see, and Deep mode reads the rest. The engine does the analysis, so no model vendor decides whether the work is allowed.
Every listing here is free to run on your own machine. Use these tools on software you own or have permission to examine.
