Microsoft Research Detours - Detours is a software package for re-routing Win32 APIs underneath applications.
VIXY video - Your videos online, the smart way
WinAPIOverride - WinAPIOverride : This software allows you to monitor and/or modify any function of a process for any calling convention (stdcall or cdecl)
Grabyo - Stream, edit and publish video anywhere, anytime
EasyHook - The reinvention of Windows API Hooking
VidMob - A marketplace for video editors.