A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Sort of reminds me of those old house wallpapers.
Source Tish
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Retro Circles Background 4 No Black
Source GDJ
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Fix side and a seamless pattern formed from circles.
Source SliverKnight
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
A bit strange this one, but nice at the same time.
Source Diogo Silva