The source zip file for pykeylogger is freely available for download from SourceForge file servers.
If you feel adventurous, you could also pull the latest from the project git repository.
The compiled binary package for Windows is available on the SourceForge file servers.
Being the proverbial "starving grad student", I strongly encourage you to help me out and donate to the project. The releases available on the file server show a "welcome message" (aka nag screen) upon start, and also "expire" after 4 days. There are two ways to get rid of these nags:
If you want me to send you a compiled binary (or source code zip archive) of PyKeylogger without these nags, donate $35 USD to this project, and upon receipt of the donation I will build and send you the no-nag binary or source archive. As an added bonus, you could also get a "stealthed" pykeylogger build (meaning, the binaries, icons, ini files are all innocuously-named, the process description in task manager is also innocuous).
Follow these instructions to take this approach: Make a donation to the project .
Almost always, I will send you the binary the same day.
Instead of having me do it for you, you can do it all yourself. Get the latest PyKeylogger source, install the supporting libraries, modify the code to remove the nag (it's a simple change), and even build your own Windows executable if you want it.
The complete code, including code to build the binary or source archives, is available and included with the PyKeylogger distribution. Detailed and easy-to-follow instructions installing and using the source are available.
Even if you choose to follow this path, I encourage you to support this free software project, if you find it useful.
Strictly speaking, the donation is for the service of building the binary or source archive, not for a "license" to the software (which is GPL). But sure :) I recommend you to sign up for pykeylogger-announce mailing list, which is used to email release notifications for PyKeylogger.
Wiki: Frequently_Asked_Questions
Wiki: Installation_Instructions
Wiki: Main_Page
Wiki: PyKeylogger_Donations
Wiki: Usage_Instructions