To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
A repeating background with a look of paper. I have added some changes to PatCreator. Now you can share your designs by submitting them to a new gallery section. Start by clicking Edit with PatCreator above.
Source V. Hartikainen
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
Original seamless pattern with an Inkscape filter.
Source Firkin
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
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
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen