Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
8 by 8 pixels, and just what the title says.
Source pixilated
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
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
Heavily remixed from a drawing in 'Barbara Leybourne; a story of eighty years ago', Sarah Hamer, 1889.
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
An alternative colour scheme for the original background.
Source Firkin
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin