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radare2 vs RetDec: catalog facts
radare2	RetDec
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Best for: Command-line reverse engineering framework and binary analysis toolkit	Best for: Reverse engineers and malware analysts who want a free decompiler
Free The software is free under its open-source licence. Hosting, hardware and external services are separate.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android, Command line	Windows, Linux, Command line
It disassembles, emulates, debugs and patches binaries across a very wide set of architectures, and scripts through r2pipe from most languages.	Free decompiler under a permissive licence Built on LLVM and retargetable across architectures Dockerfile provided for reproducible builds
The command syntax is famously steep, and individual plugins carry different licences.	Project is in limited maintenance mode Command-line tool with no graphical interface Intended for authorized analysis of software you are allowed to examine
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-3.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for radare2 github.com/radareorg/radare2 Catalog checked September 22, 2026	Official website Full listing and sources Sources for RetDec retdec.com github.com/avast/retdec Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.

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