Same classic 45-degree pattern, dark version.
Source Luke McDonald
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
A version without colours blended together to give a different look.
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Abstract Tiled Background Extended 8
Source GDJ
Just like the black maze, only in light gray. Duh.
Source Peax