A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Almost like little fish shells, or dragon skin.
Source Graphiste
This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo