unicorn-engine/unicorn

Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)

C

9,425

3,188 commits

updated Aug 28, 2026

See the code

README

Unicorn Engine

pypi downloads Fuzzing Status

LOOKING FOR CONTRIBUTORS! See this.

Unicorn is a lightweight, multi-platform, multi-architecture CPU emulator framework, based on QEMU.

Unicorn offers some unparalleled features:

  • Multi-architecture: ARM, ARM64 (ARMv8), M68K, MIPS, PowerPC, RISCV, SPARC, S390X, TriCore and X86 (16, 32, 64-bit)
  • Clean/simple/lightweight/intuitive architecture-neutral API
  • Implemented in pure C language, with bindings for Crystal, Clojure, Visual Basic, Perl, Rust, Ruby, Python, Java, .NET, Go, Delphi/Free Pascal, Haskell, Pharo, Lua and Zig.
  • Native support for Windows & *nix (with Mac OSX, Linux, Android, *BSD & Solaris confirmed)
  • High performance via Just-In-Time compilation
  • Support for fine-grained instrumentation at various levels
  • Thread-safety by design
  • Distributed under free software license GPLv2

Further information is available at http://www.unicorn-engine.org

License

This project is released under the GPL license.

Compilation & Docs

See docs/COMPILE.md file for how to compile and install Unicorn.

More documentation is available in docs/README.md.

For common questions, read docs/FAQ.md before raising an issue.

Contact

Contact us via mailing list, email or twitter for any questions.

Join our group for instant feedback.

Contribute

If you want to contribute, please pick up something from our Github issues.

We also maintain a list of more challenged problems in milestones for our regular release.

Please send pull request to our dev branch.

CREDITS.TXT records important contributors of our project.

arm
arm64
cpu
cpu-emulator
emulator
framework
m68k
mips
powerpc
reverse-engineering
riscv
s390x
security
sparc
systemz
tricore
x86
x86-64

unicorn-engine/unicorn

Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)

C

9,425

3,188 commits

updated Aug 28, 2026

See the code

README

Unicorn Engine

pypi downloads Fuzzing Status

LOOKING FOR CONTRIBUTORS! See this.

Unicorn is a lightweight, multi-platform, multi-architecture CPU emulator framework, based on QEMU.

Unicorn offers some unparalleled features:

  • Multi-architecture: ARM, ARM64 (ARMv8), M68K, MIPS, PowerPC, RISCV, SPARC, S390X, TriCore and X86 (16, 32, 64-bit)
  • Clean/simple/lightweight/intuitive architecture-neutral API
  • Implemented in pure C language, with bindings for Crystal, Clojure, Visual Basic, Perl, Rust, Ruby, Python, Java, .NET, Go, Delphi/Free Pascal, Haskell, Pharo, Lua and Zig.
  • Native support for Windows & *nix (with Mac OSX, Linux, Android, *BSD & Solaris confirmed)
  • High performance via Just-In-Time compilation
  • Support for fine-grained instrumentation at various levels
  • Thread-safety by design
  • Distributed under free software license GPLv2

Further information is available at http://www.unicorn-engine.org

License

This project is released under the GPL license.

Compilation & Docs

See docs/COMPILE.md file for how to compile and install Unicorn.

More documentation is available in docs/README.md.

For common questions, read docs/FAQ.md before raising an issue.

Contact

Contact us via mailing list, email or twitter for any questions.

Join our group for instant feedback.

Contribute

If you want to contribute, please pick up something from our Github issues.

We also maintain a list of more challenged problems in milestones for our regular release.

Please send pull request to our dev branch.

CREDITS.TXT records important contributors of our project.

arm
arm64
cpu
cpu-emulator
emulator
framework
m68k
mips
powerpc
reverse-engineering
riscv
s390x
security
sparc
systemz
tricore
x86
x86-64

Project health

Overall

3.9/10

Maintained

1/10

Code review

3/10
OpenSSF Scorecard

Latest release

2.1.5 · Sep 9, 2025

Releases this year

0

Significant stargazers

(top 24 of 105)

Jan-Erik Rediger

1,034 followers · starred Dec 2025

Delyan Angelov

379 followers · starred Feb 2025

Integral

307 followers · starred Jul 2025

Rochus Keller

366 followers · starred Apr 2024