A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Prismatic Hypnotic Pattern No Background
Source GDJ
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Prismatic Chevrons Pattern 5 With Background
Source GDJ
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Retro Circles Background 8 No Black
Source GDJ
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Prismatic Polka Dots Mark II No Background
Source GDJ
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A seamless paper background texture colored in pale yellow. This seamless texture is ideal for those who need a yellow background image for their website. The texture resembles paper.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo