Qt

The framework provides a comprehensive set of libraries and APIs that enable developers to create graphical user interfaces and applications that run on many operating systems and device types from a single code base. It includes tools for planning, designing, coding, testing, and deploying software, as well as a dedicated IDE and a UI design application that can import designs from external tools.

Target users are software engineers and development teams building desktop, mobile, embedded, and IoT applications who need a consistent development experience across platforms. The suite also offers quality‑assurance utilities, compliance and security features, and integration with embedded toolchains to support performance‑critical and regulated projects.

What distinguishes the offering is its end‑to‑end coverage of the software development lifecycle, from visual design through to deployment, together with a focus on scalability, cross‑platform consistency, and support for industry‑specific standards.