Simple drawings using vector graphics; Cairo "for tourists!"
Draw vector graphics to scale using a descriptive language
A library for scientific data visualization
JaxoDraw: Feynman Diagrams made easy!
Graph visualizing tool
Draws signalling charts, block diagrams and graphs from text input.
SCADA HMI for substations, IoT and automation applications
Particle Image Velocimetry
cy2fluxviz : Cytoscape 2 plugin for flux distribution visualization
Inkscape extension to add and edit GNUplot graphs