Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Classic vertical lines, in all its subtlety.
Source Cody L
Prismatic Snowflakes Pattern No Background
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
A background pattern with a look of rough fabric.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
8 by 8 pixels, and just what the title says.
Source pixilated
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin