Alternatives and similar repositories for gcc

Users that are interested in gcc are comparing it to the libraries listed below

• llvm / llvm-project
  The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
  ☆33,040Updated this week
• ninja-build / ninja
  a small build system with a focus on speed
  ☆12,002Updated last week
• llvm-mirror / clang
  Mirror kept for legacy. Moved to https://github.com/llvm/llvm-project
  ☆3,050Updated 5 years ago
• Kitware / CMake
  Mirror of CMake upstream repository
  ☆7,263Updated this week
• boostorg / boost
  Super-project for modularized Boost
  ☆7,731Updated this week
• llvm-mirror / llvm
  Project moved to: https://github.com/llvm/llvm-project
  ☆4,611Updated 4 years ago
• cplusplus / draft
  C++ standards drafts
  ☆5,852Updated this week
• google / sanitizers
  AddressSanitizer, ThreadSanitizer, MemorySanitizer
  ☆11,975Updated 2 months ago
• freebsd / freebsd-src
  The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....
  ☆8,320Updated this week
• microsoft / STL
  MSVC's implementation of the C++ Standard Library.
  ☆10,673Updated this week
• libevent / libevent
  Event notification library
  ☆11,544Updated 3 months ago
• qemu / qemu
  Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please on…
  ☆11,477Updated this week
• coreutils / coreutils
  upstream mirror
  ☆4,610Updated last week
• microsoft / mimalloc
  mimalloc is a compact general purpose allocator with excellent performance.
  ☆11,555Updated last week
• mesonbuild / meson
  The Meson Build System
  ☆6,052Updated this week
• lattera / glibc
  GNU Libc - Extremely old repo used for research purposes years ago. Please do not rely on this repo.
  ☆1,932Updated 6 years ago
• westes / flex
  The Fast Lexical Analyzer - scanner generator for lexing in C and C++
  ☆3,814Updated last week
• MaskRay / ccls
  C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting
  ☆3,919Updated last month
• google / benchmark
  A microbenchmark support library
  ☆9,564Updated last week
• jemalloc / jemalloc
  ☆10,238Updated 2 weeks ago
• google / tcmalloc
  ☆4,769Updated this week
• root-project / cling
  The cling C++ interpreter
  ☆3,889Updated 3 months ago
• fmtlib / fmt
  A modern formatting library
  ☆21,919Updated last week
• danmar / cppcheck
  static analysis of C/C++ code
  ☆6,191Updated this week
• bminor / glibc
  Unofficial mirror of sourceware glibc repository. Updated daily.
  ☆1,635Updated this week
• compiler-explorer / compiler-explorer
  Run compilers interactively from your web browser and interact with the assembly
  ☆17,627Updated this week
• libuv / libuv
  Cross-platform asynchronous I/O
  ☆25,404Updated this week
• conan-io / conan
  Conan - The open-source C and C++ package manager
  ☆8,808Updated this week
• chriskohlhoff / asio
  Asio C++ Library
  ☆5,364Updated 2 months ago
• google / glog
  C++ implementation of the Google logging module
  ☆7,308Updated last month