Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Embossed lines and squares with subtle highlights.
Source Alex Parker
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
An alternative colour scheme to the original seamless pattern.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
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
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen