Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Used a cherry by doctormo to make this seamless pattern
Source Firkin
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
Retro Circles Background 5 No Black
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
This one is amazing, truly original. Go use it!
Source Viahorizon
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This seamless web background texture looks like gray stone. It's great for using as a background image on web pages, or on some of their elements. Anyway, I hope you will find use for it.
Source V. Hartikainen
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin