A PDF Reader and Note-taker for OS X
Modbus TCP/RTU to IEC 60870-5-104/101 gateway with web dashboard
View and edit DICOM tags (Windows & Mac & Linux)
Design your own pottery for 3D printing in full color
Convert any image to a Excellon Drill File
Interactive gnuplot script editor
2.5D CAD CAM emphasis on CAM and toolpaths
The LaTeX Equation Editor