Trianglify
Trianglify focuses on geometric triangle backgrounds.
What it does
Trianglify generates low-poly triangular patterns for visual backgrounds.
When to use it
For a slide cover, tune triangle density so the heading stays readable.
Visit Trianglify official site
BGJar
BGJar focuses on editable SVG background graphics.
Blobmaker
Blobmaker focuses on organic blob shapes as SVG.
Dither It!
Dither It! focuses on dithered pixel-style image treatment.