8 by 8 pixels, and just what the title says.
Source pixilated
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Abstract Tiled Background Extended 8
Source GDJ
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
This one needs to be used in small areas; you can see it repeat.
Source Luca
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.