Sintegrial Technologies

qwtplot3d. Extended version of the original QwtPlot3D library

qsint. Qt UI Development Library

Qt5ExtLib. Legacy Qt Solutions + latest updates for Qt 5.x

qtsolutions. qtsolutions fork ported to Qt 5

FreeCAD. This is the official code of FreeCAD ( http://www.freecadweb.org ). Clone this if you want to start FreeCAD development! Please always announce your pull requests on http://forum.freecadweb.org otherwise they might go on unnoticed for a long time, thanks!