Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A bit strange this one, but nice at the same time.
Source Diogo Silva
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A web texture of brown canvas. Will look great, when used in dark web designs.
Source V. Hartikainen
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
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A floral background formed from numerous clones of flower 117.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
A seamless web background with texture of aged grid paper.
Source V. Hartikainen