This software allows you to monitor and/or modify any function of a process for any calling convention (stdcall or cdecl).
Cost / License
- Free Personal
- Proprietary
Platforms
- Windows


Deviare In-Process is described as 'Code interception engine for Microsoft Windows®. It is a dual license library, GPLv3 and Commercial. The source code is available at GitHub' and is an app in the development category. There are four alternatives to Deviare In-Process for Windows. The best Deviare In-Process alternative is WinAPIOverride. It's not free, so if you're looking for a free alternative, you could try WinAPIOverride or HookInjEx.
This software allows you to monitor and/or modify any function of a process for any calling convention (stdcall or cdecl).


Microsoft Research Detours v3 Professional is a library for instrumenting arbitrary Win32 functions on x86, x64, and IA64 machines. Now you can intercept Win32 functions by re-writing the in-memory code for target functions.
Demo application demonstrating how to inject code into another processes address space, and then execute it in the context of this process.
If you dabble in this area then you’ll already know that Microsoft Research's Detours pretty much sets the benchmark when it comes to API hooking. Why don't we get a comparison out of the way quickly then?