A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Prismatic Abstract Background Design
Source GDJ
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Dark blue concrete wall with some small dust spots.
Source Atle Mo
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Prismatic Groovy Concentric Background 5
Source GDJ