"Beige Stone", Tileable Texture.
Source V. Hartikainen
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Colour version of the original seamless pattern.
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
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
8 by 8 pixels, and just what the title says.
Source pixilated
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
The original enhanced with one of Inkscapes's filters.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen