This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
This one is amazing, truly original. Go use it!
Source Viahorizon
Original minus the background
Source Firkin
This was formed by distorting an image of a background on Pixabay.
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
Sometimes you just need the simplest thing.
Source Fabricio
Prismatic Geometric Pattern Background
Source GDJ
A free seamless background with pink spots.
Source V. Hartikainen
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Colorful Floral Background 3 No Black
Source GDJ
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A repeating background with wood/straw like texture.
Source V. Hartikainen
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin