QSint is a opensource collection of Qt widgets which can be used while developing own Qt-based applications. The library is designed to be used with Qt 4.x and 5.x versions.

QSint::Core module contains additional Qt widget classes which are designed to be used in modern user interfaces.

QSint::Charts module contains 2D charting components which are following Qt Model-View ideology.

QSint is licensed under LGPL so you can use it both in commercial and non-commercial projects.