This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
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
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Embossed lines and squares with subtle highlights.
Source Alex Parker
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
White little knobs, coming in at 10x10px. Sweet!
Source Amos
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
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