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Starred repositories
Darwin is the Open Source core of macOS, and PureDarwin is a community project to extend Darwin into a complete, usable operating system.
Lexer generator for C, C++, D, Go, Haskell, Java, JS, OCaml, Python, Rust, Swift, V and Zig.
A static c++ brainfuck compiler using c++0x features in 200 nearly readable lines.
Hadrian: a new build system for the Glasgow Haskell Compiler. Now merged into the GHC tree!
eBPF implementation that runs on top of Windows
Code for the cross platform, single source, OpenDTrace implementation
Legacy mirror of Darwin Kernel. Replaced by https://github.com/apple-oss-distributions/xnu
An open-source C++ library developed and used at Facebook.
A low-level build system, used by Xcode and the Swift Package Manager
a fast, scalable, multi-language and extensible build system
Combination of multiple linters to run as a GitHub Action or standalone
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
The source code that powers readthedocs.org
Python 3 AST unparser with type comments support.
a small build system with a focus on speed