I’ve saved executable images of SBCL and CCL on Windows and they’re available as http://www.xs4all.nl/~euqirea/downloads/okra-20090910.zip from the Okra project page.

This should make it easier for people on Windows to start playing with Okra since it comes with all the necessary libraries. Just double-click okra-sbcl.exe or okra-ccl.exe and you should be looking at a Common Lisp REPL with Okra installed. If you enter:

I asked this on #lisp but apparently it was the wrong time of the day since there were only a couple of trolls awake.

So, I’m aware threading is not supported for SBCL on Windows at the moment but what I don’t know is whether anyone is working or has been working on it recently. The best I could find on Google was a GSoC 2008 project by Elliot Slaughter. Now, I could try digging through the SBCL mailinglist archives on SourceForge, but Jesus Christ, I hate using that site since it is so unusable.