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BeaEngine

Free#59 of 72 in Reverse Engineering Tools

BeaEngine: A free, embeddable C library for static Intel instruction decoding. Ranked #59 of 72 in Reverse Engineering Tools by our editors (3.0/10); pricing: Free plan; best for embedding x86 disassembly in applications.

3.0/10Editor score

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BeaEngine3.0 Visit BeaEngine

At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Embedding x86 disassembly in applications
Free plan
Yes
Paid from
Free
Decompiler
No
Facts checked
23 Sep 2026

Where it wins
- Decodes Intel x86 and x86-64 instructions across three modes
- Native C API exposes mnemonics, operands and instruction metadata
- Runs on Windows, Linux, macOS and self-hosted deployments
Where it doesn't
- Supports only the x86 and x86-64 architecture family
- Provides no source-level decompiler or firmware analysis
- No plugin API; support is limited to community and documentation

Our verdict on BeaEngine

BeaEngine is an open-source disassembly library for software that needs to inspect Intel-compatible machine code. It targets developers embedding binary-analysis capabilities into reverse-engineering, debugging and binary-inspection applications rather than users seeking a standalone desktop suite. The native C programming interface decodes x86 and x86-64 instructions in 16-bit, 32-bit and 64-bit modes, returning mnemonics, operands and related instruction metadata.

Its open-source, free-plan model suits projects that want to integrate a decoding engine without adopting a commercial application. BeaEngine supports Windows, Linux and macOS, and its self-hosted deployment fits applications that keep analysis inside their own environments. The C API is the central integration point, while support is provided through community resources and documentation. Teams should expect to incorporate the library into their own software rather than use a hosted workspace or managed service.

The standout capability is focused instruction decoding across legacy and SIMD instruction sets documented by the project. That scope makes BeaEngine practical when an application needs static disassembly of Intel code in multiple execution modes. Its boundaries are equally clear: it does not provide a source-level decompiler, firmware analysis, or a plugin API, and its architecture coverage is limited to x86 and x86-64. Choose BeaEngine when embedded Intel disassembly is the requirement; choose a broader reverse-engineering product when firmware workflows, decompilation, extensibility, or other processor architectures are central.

Your product? Our editors can test BeaEngine in depth and publish a review, labelled as paid · from $149/mo →

BeaEngine pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on github.com

BeaEngine fact sheet

Free plan	Yes
Paid from	Free
Decompiler	No
Firmware analysis	No
Analysis mode	Static
Plugin API	No
Supported platforms	Windows, Linux, macOS
Supported architectures	x86 (16/32-bit) and x86-64 (64-bit)
Deployment	Self-hosted
Platforms	Windows, Linux, macOS
Support	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan
Website	github.com
Facts checked	23 Sep 2026

Alternatives to BeaEngine

See all BeaEngine alternatives →

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Featured on iTechGuides

BeaEngine is listed in our Reverse Engineering Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update