A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Hexagonalist Pattern No Background
Source GDJ
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin