A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
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
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Prismatic Abstract Geometric Background 5
Source GDJ
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Might not be super subtle, but quite original in its form.
Source Alex Smith
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Abstract Tiled Background Extended 11
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Looks like an old wall. I guess that’s it then?
Source Viahorizon