A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Different from the original in being a simple tile stored as a pattern definition, rather than numerous repeated objects. Hence easy and quick to give this pattern to objects of different shapes. To get the tile in Inkscape, select the rectangle and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 2
Source GDJ
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
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
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ