Ccide is a Decision Table preprocessor.
View the Mandelbrot set easily at high zooms
Experiment automation
Application to creating charts.
Open-source traffic analyzer / visualizer
Visualize Galois sub-hierarchy of 2d matrix
graphICs is a converter transforming GDS II-data to Asymptote-code
Inkscape extension to add and edit GNUplot graphs
Interactive Swing based Charting library to display science data