Everything is optional

The µGFX library is split into different modules. There's one module to drive a display, one to handle a touchscreen, another module to read from SD-Cards and so on. Each module can individually be enabled and disabled. Disabled modules don’t get compiled into the finished binary so the library will only be as big as the features you need. µGFX is always the right library to get the job done, no matter whether you just want basic drawing capabilities, advanced text rendering or a fully featured GUI toolkit.