And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
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
Prismatic Groovy Concentric Background No Black
Source GDJ
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Zero CC Mossy stone tileable texture, photographed and made by me. CC0
Source Sojan Janso
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
A seamlessly tileable pink background texture.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi