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
Prismatic Groovy Concentric Background No Black
Source GDJ
Alternative colour scheme for the original floral pattern.
Source Firkin
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Black And White Floral Pattern Background from PDP.
Source GDJ
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Embossed lines and squares with subtle highlights.
Source Alex Parker
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Prismatic Groovy Concentric Background 4
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba