Most interesting free and opensource software of the month:
All in One – System Rescue Toolkit is a collection of tools for running administrative and troubleshooting tasks. The toolkit, compatible for all Windows versions (from XP), features a LIVE CD part which you can boot, and allows you to use certain programs directly.
FileFriend is a Windows utility that allows to split, join, encrypt and hide files as JPG images.
PartitionGuru Free is a Windows partition management software.