Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
The image depicts the Japanese Edo pattern called "seigaiha" or "青海波" meaning "blue -sea- wave".I hope it's suitable for the summer season.
Source Yamachem
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Abstract Background Design No Black
Source GDJ
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Prismatic Groovy Concentric Background 2
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Pattern formed from simple shapes. Black version.
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
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
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Prismatic Polka Dots Mark II 2 No Background
Source GDJ