The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Just like the black maze, only in light gray. Duh.
Source Peax
A free pink background pattern.
Source V. Hartikainen
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
A new one called white wall, not by me this time.
Source Yuji Honzawa
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.