Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
The image is a seamless pattern of a fishnet.
Source Yamachem
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Colour version of the original pattern.
Source Firkin
A white version of the very popular linen pattern.
Source Ant Ekşiler
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
This was formed by distorting an image of a background on Pixabay.
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
An alternative colour scheme to the original seamless pattern.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Prismatic Geometric Pattern Background
Source GDJ
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios