U8x8 Fonts -

If you see a "proportional u8x8 font" online, it is usually a hack that:

Most people encounter U8x8 fonts through the popular for Arduino and other microcontrollers. This library offers two rendering modes:

The is a specialized, text-only sub-component of the U8g2 graphics library designed for monochrome OLED and LCD displays. It is built for extreme efficiency, requiring virtually no microcontroller RAM because it writes directly to the display's hardware memory instead of maintaining a local frame buffer. Key Technical Features