3rd Party Libraries

I just started playing around with hooking into the memory and was curious to what you used.
Do you use 3rd party libraries or are you coding your own DLL imports and invokes?

At the moment KHUT/KHNET don't do anything that fancy. We use custom made sig scanners that utilize the ReadProcessMemory (RPM) and WriteProcessMemory (WPM) APIs made available by Windows. The tool is generalized so stealth is not necessarily our concern at the moment.