Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Not sure what this is, but it looks good!
Source Josh Green
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
CC0 and seamless wellington boot pattern.
Source SliverKnight
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
Prismatic Abstract Geometric Background 4
Source GDJ
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi