Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Prismatic Groovy Concentric Background 3
Source GDJ
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
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
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev