A seamless paper background colored in pale yellow.
Source V. Hartikainen
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
This one needs to be used in small areas; you can see it repeat.
Source Luca
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Alternative colour scheme for the original floral pattern.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
More in the paper realm, this time with fibers.
Source Jorge Fuentes
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Background pattern made in "Grunge-Like" style. Available in both SVG and JPG formats. Edit to your needs then click the download button.
Source V. Hartikainen