This one is amazing, truly original. Go use it!
Source Viahorizon
Looks like an old rug or a computer chip.
Source Patutin Sergey
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Prismatic Hexagonalist Pattern No Background
Source GDJ
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Background formed from the original with an emboss effect
Source GDJ
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Prismatic Polyskelion Pattern No Background
Source GDJ
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
White circles connecting on a light gray background.
Source Mark Collins
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel