The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ