KeyCastr, an open-source keystroke visualizer
Mac app that shows all open files, directories, sockets, pipes, etc.
Interactive error messages for the Julia REPL
SADSA (Software Application for Data Science and Analytics)
Open Source Laravel Admin Panel
Installable / Portable Python Distribution for Everyone.
A plugin to use Free Sketches with SysML models to support MBSE
Spectroscopy Viewer
Simple interactive menus for the terminal (Now ships with Julia!)
3D Charts - Templates for PovRay(TM)
An easy to use and lightweight CAD model data management tool.
An interactive pi walk.
Timeseries handling, and solving of large-scale economic models
Rediscover the Simplicity http://www.atgclabs.com/
jchart2d is a real-time charting library written in java.
qwt draggable graph rulers
On-screen keyboard that highlights keys that are pressed.
A free, easy-to-use and user-friendly Java-based UML editor.