This document is intended to assist developers looking for a tablet-aware, cross-platform development framework.
As stated on the page Why Qt, Qt is a multi-platform development framework used by some of the largest brands to quickly and efficiently develop and maintain applications for multiple platforms. Qt supports both Pen and Touch with support for character recognition as well as other features.
Qt supports most modern Wacom products. Limitations to Qt Pen support are listed on the QTabletEvent class page.
Qt-Supported Operating Systems
Official Qt platform support is listed on the Supported Platforms page. Generally speaking, Qt is supported on Windows, macOS, and Linux/X11 desktop platforms in addition to Android, iOS, and UWP mobile platforms with support for some web browsers.
Qt Sample Code
Qt examples can be found on the Qt Examples And Tutorials page. There you will find tutorials guiding you through Qt Setup, various platform examples, and numerous other examples of the various Qt features.
Basics - Has links to instructions on how to configure Qt
Reference - Has links to Qt reference materials
FAQs - Has links to the official Qt FAQs