This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Oh yes, it happened! A pattern in full color.
Source Atle Mo
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ