Blobmaker
Blobmaker focuses on organic blob shapes as SVG.
What it does
Blobmaker generates irregular SVG blob shapes using simple controls.
When to use it
For an illustration backdrop, start with a low-contrast shape behind the subject.
Visit Blobmaker official site
BGJar
BGJar focuses on editable SVG background graphics.
Dither It!
Dither It! focuses on dithered pixel-style image treatment.
Duotone
Duotone focuses on two-tone treatment for photos.