Prismatic Triangular Seamless Pattern III With Background
Source GDJ
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
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
The original enhanced with one of Inkscapes's filters.
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
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
A version without colours blended together to give a different look.
Source Firkin
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin