In this paper, we present VirtualThumb, a set of software-based conceptual techniques that enables a user to handle multi-touch operations under the limited physical resources available”

reacTIVision is an open source, cross-platform computer vision framework for the fast and robust tracking of fiducial markers attached onto physical objects, as well as for multi-touch finger tracking. It was mainly designed as a toolkit for the rapid development of table-based tangible user interfaces (TUI) and multi-touch interactive surfaces.

re/touch brings together hundreds of cross-cultural examples of social norms and values involving touch—all categorised according to actions related to touching.

mindflow is a concept of mind-mapping, on multitouch table, in order to increase creativity during face-to-face collaborative design, but also an help to decision making. This web site follows the evolution of this project.

researchers at Carnegie Mellon University have developed buttons that pop out from a touch-screen surface. The design retains the dynamic display capabilities of a normal touch screen but can also produce tactile buttons for certain functions.

Touché is a free, open-source tracking environment for FTIR-based multitouch tables. It has been written for MacOS X Leopard and uses many of its core technologies, such as QuickTime, Core Animation, Core Image and the Accelerate framework, but also high-quality open-source libraries such as libdc1394 and OpenCV, in order to achieve good tracking performance.