wxAdvTable is a advanced table component designed with flexibility in mind, with clean MCV (Model-Controller-View) design. It has many advanced features like composite rows/columns, built-in sorting support, flexible rendering and editing support, dynamic row/columns add/removal, rows/columns highlight, and many visual features.
fuzzylite is a fuzzy logic control library. Its goal is to allow you to easily create fuzzy logic controllers in a few steps utilizing object-oriented programming without requiring any third-party libraries. qtfuzzylite is a Qt-based GUI for fuzzylite. Its goal is to allow you to visually design your fuzzylite controllers and interact with them in real time.