Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Classic vertical lines, in all its subtlety.
Source Cody L
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Prismatic Groovy Concentric Background
Source GDJ
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
From an image on opengameart.org shared by rubberduck.
Source Firkin
White little knobs, coming in at 10x10px. Sweet!
Source Amos
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
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
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Colour version of the original seamless pattern.
Source Firkin