C++

Created by Bjarne Stroustrup in 1985 as an extension of C, it introduced object-oriented programming to systems development without sacrificing speed. C++ powers game engines like Unreal and Unity, browsers such as Chrome (handling 65% of web traffic), and databases including MySQL—all of which rely on its low-level control. With over 4 million active developers, C++ remains essential for performance-critical infrastructure, from financial trading systems to autonomous vehicle firmware. Its template metaprogramming reduces execution time by 30% compared to the average runtime language, solidifying its dominance in high-frequency computing.