What is qt?

Qt is a cross-platform application development framework that allows developers to create applications for desktop, mobile, and embedded systems. It provides a comprehensive set of tools and libraries for interface development, multi-language support, data management, networking, and more. Qt is known for its robust and easy-to-use features that help developers develop high-quality and scalable applications. It is written in C++, but it supports several other programming languages such as Python, JavaScript, and Ruby, making it a popular choice among developers. Qt is licensed under the LGPLv3 and GPLv2 licenses and is maintained by The Qt Company, a subsidiary of Digia. Moreover, Qt has been used to build some of the popular applications such as Autodesk Maya, VLC Media Player, Google Earth, and many more.