You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Spice up your next school project with this icon background.
Source Swetha
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Subtle scratches on a light gray background.
Source Andrey Ovcharov
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin