Here you can download the latest unstable sanos build (Sunday, 08-Feb-2015 20:37:10 CET):
These are automated builds from the sanos GIT repository that contains the latest unreleased changes to sanos. Look in the CHANGES file in these distributions in order to see the latest changes. Please let me know if you discover any bugs in these builds. If you want to contribute to Sanos or want to work at the HEAD of the repository you can also get Sanos from the public git repository.