RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
MicroDicom - DICOM viewer. MicroDicom is a free DICOM viewer. Export to the most common picture formats, movie, clipboard. It is equipped with most common tools for manipulation of DICOM images.
Wheel Decide - Wheel Decide is a free to use web-based spinner platform that allows the people create their own digital wheels system for prize giveaways, decision making, games and much more.
Horos - A free, open source 64-bit DICOM medical image viewer
Wheel of Names - Free and easy to use spinner. Used by teachers and for raffles. Enter names, spin wheel to pick a random winner. Customize look and feel, save and share wheels.
Weasis - Weasis is a multipurpose standalone and web-based DICOM viewer.