GrammaTech DDisasm is a free malware analysis solution by GrammaTech. Joe Sandbox DEC is a commercial malware analysis solution by Joe Security. Features, integrations, deployment and the company behind each one, side by side.
Fast disassembler producing reassemblable assembly code using Datalog
Plugin that decompiles malware PE files into readable C code using hybrid analysis.
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Based on what each listing shows: deployment, company size, price and open source.
GrammaTech DDisasm fits if you need to run it on your own servers and you need a free product.
Joe Sandbox DEC fits if you want a cloud product.
Common questions when comparing GrammaTech DDisasm vs Joe Sandbox DEC for malware analysis.
GrammaTech DDisasm: Fast disassembler producing reassemblable assembly code using Datalog. Built by GrammaTech.
Joe Sandbox DEC: Plugin that decompiles malware PE files into readable C code using hybrid analysis. Built by Joe Security.
The table above shows where their features, integrations, deployment and company size fit differ.
GrammaTech DDisasm is made by GrammaTech. Joe Sandbox DEC is made by Joe Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. GrammaTech DDisasm and Joe Sandbox DEC are both Malware Analysis products, and both cover Reverse Engineering, Binary Analysis. Key differences: GrammaTech DDisasm is Free while Joe Sandbox DEC is Commercial. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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