A bit strange this one, but nice at the same time.
Source Diogo Silva
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
An alternative colour scheme to the original seamless pattern.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
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
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
White handmade paper pattern with small bumps.
Source Marquis
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin