Cosmopolitan
A C library that compiles programs into single portable executables that run natively on Linux, Mac, Windows, and BSD.
What is Cosmopolitan?
Cosmopolitan Libc is a C library and toolchain that compiles C/C++ programs into single, portable executables capable of running natively on multiple operating systems without modification. It solves the problem of platform-specific builds by creating polyglot binaries that work on Linux, macOS, Windows, and BSD systems with minimal footprint.
C/C++ developers and system programmers who need to distribute binaries across diverse operating systems without maintaining separate builds or relying on interpreters.
Developers choose Cosmopolitan Libc for its unique ability to produce truly portable native binaries with no runtime overhead, combining the performance of C with the cross-platform convenience of languages like Java.
Overview
build-once run-anywhere c library
Use Cases
Best For
- Distributing single binary applications across Linux, Windows, and macOS
- Creating tiny embedded executables for system tools
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