From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
White circles connecting on a light gray background.
Source Mark Collins
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors