A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous