Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A black tile-able background with paper-like texture.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
Colourful background achieved with gradient fills.
Source Firkin
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda