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Tigress

#19 of 34 in Code Obfuscation Software

Tigress: A highly configurable C obfuscator for advanced source transformation and software protection. Ranked #19 of 34 in Code Obfuscation Software by our editors (7.4/10); pricing: Pricing on request; best for advanced C source transformation.

7.4/10Editor score
Tigress7.4 Visit Tigress

At a glance

  • Editor score
    7.4 / 10
  • Pricing
    Pricing on request
  • Best for
    Advanced C source transformation
  • Free plan
    No
  • Anti-tamper controls
    Yes
  • Facts checked
    21 Sep 2026
Tigress screenshot
  • Where it wins

    • Virtualization, runtime code generation, and dynamic code modification
    • Control-flow, literal-encoding, function, and anti-analysis transformations
    • Supports Linux, Darwin, Android, Windows, WebAssembly, Intel, and ARM
  • Where it doesn't

    • Commercial deployment requires contacting the University of Arizona
    • Command-line, self-hosted workflow requires technical build integration
    • Focused on C source rather than a broad set of programming languages

Our verdict on Tigress

Tigress is a command-line, source-to-source obfuscator for C programs. It transforms C source into new C source through configurable sequences of virtualization, just-in-time compilation, control-flow, data, function, integrity, and anti-analysis transformations. The project is intended for academics, students, researchers, and practitioners studying or applying software protection. Its supported targets include C99 source across Linux, Darwin, Android, Windows, WebAssembly, Intel, and ARM environments, with GCC, Clang, Emscripten, and cl listed for build support.

The main strength is transformation depth. Tigress can virtualize code into specialized interpreters, generate code at runtime, modify code dynamically, flatten control flow, create opaque predicates, and encode string and integer literals. It also supports function splitting, merging, inlining, and argument randomization. Integrity checking and tamper-response plugins extend the focus beyond code concealment, while anti-alias, anti-taint, and anti-branch analysis transformations address additional analysis paths. This breadth makes Tigress suitable for projects that need configurable C transformations rather than a narrow string-protection utility.

Tigress is a self-hosted tool with a command-line build integration model, so adoption centers on source transformation and build-pipeline expertise rather than a graphical workflow. Research use is available without a license, while commercial deployment requires contacting the University of Arizona for licensing. It is a strong fit for advanced C protection work, academic research, and projects targeting native or WebAssembly environments. Teams seeking a managed service, public commercial pricing, or protection for languages other than C should consider a different category option.

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

Tigress pricing

Plans Pricing on request No free plan — trial or paid only. Prices checked 21 Sep 2026.
See plans on tigress.wtf

Tigress fact sheet

Free planNo
Paid fromNot verified
Supported targetsC99 source; Linux, Darwin, Android, Windows; Intel and ARM; WebAssembly; GCC, Clang, Emscripten, and cl
Anti-tamper controlsYes
Control-flow obfuscationYes
String encryptionYes
Deployment modelSelf_hosted
Build integrationCli
DeploymentSelf-hosted, Desktop
PlatformsLinux, macOS, Windows, Android
SupportEmail, Docs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
PricingPricing on request
Websitetigress.wtf
Facts checked21 Sep 2026

Alternatives to Tigress

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Featured on iTechGuides

Featured on iTechGuides — Tigress 7.4/10

Tigress is listed in our Code Obfuscation Software 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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