С++

С++ online

Replit – Build apps and sites with AIReplit

Compiler ExplorerCompileExplore

Quick C++ BenchmarksFredTingaudDev

C++ Build BenchmarksFredTingaudDev

Online C++ Compiler - online editorGDB online Debugger

C++

CMake - Upgrade Your Software Build Systemcmake.org

Ninja, a small build system with a focus on speedninja-build.org

Conan.io - the Open Source C and C++ Package Manager for Developersconan.io

Conan.io - the Open Source C and C++ Package Manager for Developersconan.io

Boostwww.boost.org

A list of open-source C++ libraries - cppreference.comen.cppreference.com

Protocol Buffersdevelopers.google.com