Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Number five from the same submitter, makes my job easy.
Source Dima Shiper
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
Abstract Tiled Background Extended 11
Source GDJ
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Almost like little fish shells, or dragon skin.
Source Graphiste
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Colour version of the original seamless pattern.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Prismatic Groovy Concentric Background 2
Source GDJ
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor