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
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Remixed from a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin