This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
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
This one is amazing, truly original. Go use it!
Source Viahorizon
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
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
A seamless web texture of "green stone".
Source V. Hartikainen
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
A free background pattern with abstract green tiles.
Source V. Hartikainen
A free seamless background with pink spots.
Source V. Hartikainen
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Black And White Floral Pattern Background from PDP.
Source GDJ