In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Prismatic Hypnotic Pattern No Background
Source GDJ
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Alternative colour scheme for the original floral pattern.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless Green Tile Background
Source V. Hartikainen
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Prismatic Groovy Concentric Background No Black
Source GDJ
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
A new take on the black linen pattern. Softer this time.
Source Atle Mo