Qt Framework

Qt is a cross-platform application and UI framework that can be used to develop applications once and deploy to desktop, embedded & mobile targets. The framework provides a visual 2D/3D UI editor with ready-made UI components supporting design from prototype to production. It is a set of libraries for UI development, business logic and machine-to-machine communication using imperative C++ and other declarative approaches.

• Qt licensed under commercial licenses is appropriate for development of proprietary/commercial software where the user does not want to share any source code with third parties or otherwise cannot comply with the terms of the GNU LGPL version 3.
• Qt licensed under the GNU Lesser General Public License (LGPL) version 3 is appropriate for the development of Qt applications provided compliance with the terms and conditions of the GNU LGPL version 3 (or GNU GPL version 3) is possible.
• Qt components licensed under the Qt Marketplace License Agreement are appropriate for the development of Qt applications commonly with Qt software components licensed under the commercial or GNU LGPL version 3 (or GNU GPL version 3) terms and conditions.