This was formed by distorting an image of a background on Pixabay.
Source Firkin
Tiny circle waves, almost like the ocean.
Source Sagive
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Abstract Ellipses Background Grayscale
Source GDJ
An alternative colour scheme for the original background.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Colorful Floral Background No Black
Source GDJ
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor