File:Ultra fractal screenshot.jpg

Summary
Screenshot of Ultra Fractal rendering a Mandelbrot set.

Source
Ultra Fractal site

Fair use rationale

 * Not intended to cause any financial damage to Ultra Fractal
 * Screenshot demonstrates a unique feature/layout that could not be demonstrated using an existing screenshot
 * Screenshot is made for educational use
 * Wikipedia is a non-profit organization
 * It shows the product that is described in the article(s).