The world of free HMI graphics libraries has matured significantly over the past decade. There is now a robust ecosystem of open‑source and royalty‑free resources that can handle almost any industrial visualization requirement. Whether you are building a small embedded touch panel with LVGL, a web‑based SCADA dashboard with FUXA, or simply need high‑quality SVG symbols from Opto 22, you will find free tools ready to do the job.
Qt Quick Controls provides a massive library of standard industrial controls. free hmi graphics library
If you want to "make a piece" from scratch or modify existing graphics: SIMATIC HMI Template Suite The world of free HMI graphics libraries has