Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
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
A seamless chequerboard pattern formed from a tile that can be had 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
A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ