A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
This is a remix of "geometrical pattern 01".
Source Yamachem
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Prismatic Geometric Pattern Background No Black
Source GDJ
A seamless pattern formed from miutopia mug remixes on a tablecloth.
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 light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Abstract Tiled Background Extended 12
Source GDJ