Toolkit for working with and mapping geospatial data
Autoplot is an interactive browser for data on the web
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
BRIC is a powerful tool for batch image processing.
Syntax Tree Drawing Software (Linguistics)
With J QR Code Generator you can create QR Codes easily & offline
Particle Image Velocimetry
jchart2d is a real-time charting library written in java.