This is a hot one. Small, sharp and unique.
Source GraphicsWall
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Colourful background achieved with gradient fills.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Background formed from the original with an emboss effect
Source GDJ
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
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
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
One more sharp little tile for you. Subtle circles this time.
Source Blunia