8 by 8 pixels, and just what the title says.
Source pixilated
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
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
A free seamless background pattern for use on websites.
Source V. Hartikainen
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
A brown metallic grid pattern layered on top of a dark fabric texture. It should look great when using as a tiled background on web pages, especially blogs.
Source V. Hartikainen