EasyWinHax is a C++ library designed to provide basic and low abstraction functionallity for windows process hacking and more specifically game hacking.

Hooking library using Valve's GameOverlayRenderer

HookPlusPlus is a lightweight 2-file C++ library for hooking in Windows-based systems, licensed under GPL v3.0.

Code Injection + Hooking sample

It's a hook function for x86 based architectures

Explains with working examples how to implement a trampoline hook for kernel functions inside of Windows.