EasyHook - The reinvention of Windows API Hooking
Widgeridoo - Custom and pre-made widgets for iOS and macOS
Deviare API Hook - Deviare is a professional open source hooking engine for instrumenting arbitrary Win32 functions, COM objects, and functions which symbols are located in program databases (PDBs).
Glimpse - Discover trends before they're trending
madCodeHook - "madCodeHook" offers everything you need to hook code (mostly APIs).
Widget Web - Widget Web is a handy application that allows you to view the content of web pages in a widget on your iOS device’s home screen.