MultiTouch Version 1.0 - is multi-touch software that has been modified to show images from a specific Flickr.com user. The core software (for displaying the map) is from themt4j.org (multi touch 4 java) project.
MT4Health - is a application that shows relevant healthcare data in a graphical format from multiple healthcare data sources (i.e. World Bank, World Health Organization, etc). The charts have all been generated using R 2.11 (r-project.org).
Multi-Touch Monitor - A good affordable multi-touch monitor can be purchased through Dell ST2220T 21" for $220 (on sale). Demonstration.