Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Uses spirals from Pixabay. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Sharp pixel pattern, just like the good old days.
Source Paridhi
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas