The Internet is full of such stuff. So why not introduce to you another one? Go! This is another example of using Win32 API functions to hook some system messages.
Just run it once to start listening to the keyboard and clipboard and writing all content into a text log file. Recording will stop the second time you execute it. The author promises that this keylogger has no undeclared functions and is not a malicious program.
This project is to develop an installer package for a python key logger I modified for stealth use It will be packaged with NSIS for distribution on portableapps.com and elsewhere. it will fit on a usb key and provide quick and easy key logging on the go