CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Background pattern originally a PNG drawn in Paint.net
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The original enhanced with some gradients.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
A pale olive green background with a seamless texture.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen