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Reko

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Free

Free

Freely available under the GNU General Public License

Every plan, in full

On the record

Architecture and format support
The supported-binaries page lists processor architectures and executable formats, with support maturity indicated for each.github.com · read 7 Oct 2026
Cross-platform GUI
The README says a cross-platform Avalonia GUI is under development.github.com · read 7 Oct 2026
License and use
The repository identifies Reko as GPL-2.0 and warns that some software licenses prohibit decompilation or reverse engineering.github.com · read 7 Oct 2026
Other operating systems
The user's guide describes running Reko on non-Windows machines using Mono, and the README lists .NET 9.0 as a prerequisite for installation.github.com · read 7 Oct 2026
Project files
The decompiler accepts individual executable files or Reko project files, which can contain extra information to help decompilation or format output.github.com · read 7 Oct 2026
Purpose
Reko decompiles machine code binaries into a high-level language.github.com · read 7 Oct 2026
Support
Users can report issues or ask questions on the issue tracker or in the Reko chatroom; the project says it is built by volunteers in their spare time.github.com · read 7 Oct 2026
User assistance
The guide says useful decompilation can require users to provide type information, comments, and friendly procedure names.github.com · read 7 Oct 2026
Ways to use it
Reko can be used through a GUI shell, as a command-line program, or as a .NET library.github.com · read 7 Oct 2026
Windows installation
The user's guide says the Windows installer installs both GUI and command-line clients and supports 32-bit and 64-bit x86 Windows.github.com · read 7 Oct 2026

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