TOMUSS allows multiple users to edit the same spreadsheet table with their Web browsers. It stores the complete history of the table modification.
TOMUSS is intended to be used by teachers to enter ranking and to allow students to see their ranks.
JColorGrid is an application for graphical data
exploration and the rendering of colorgrids, a
generalization of the popular heat-map
representation. The software exists as a
command-line application, a graphical viewer, and
an API for development.