Via Links2004 on GitHub.

a VNC Client for Arduino based on rfbproto.

Supported features

• Bell
• CutText (clipboard)

Supported encodings

• RAW
• RRE
• CORRE
• HEXTILE
• COPYRECT (if display support it)

Not supported encodings

• TIGHT
• ZLIB

Supported Hardware

• ESP8266 Arduino for ESP8266

may run on Arduino DUE too.

Supported Displays

• ILI9341

more possible using VNCdisplay Interface

Read more.

Featured Adafruit Product!

2.8″ TFT LCD with Touchscreen Breakout Board w/MicroSD Socket – ILI9341: Add some jazz & pizazz to your project with a color touchscreen LCD. This TFT display is big (2.8″ diagonal) bright (4 white-LED backlight) and colorful! 240×320 pixels with individual RGB pixel control, this has way more resolution than a black and white 128×64 display. As a bonus, this display has a resistive touchscreen attached to it already, so you can detect finger presses anywhere on the screen. Read more.