You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
The original enhanced with one of Inkscapes's filters.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers