Diagonales Decalées #1018
 Light  CC BY-SA 3.0

Sounds French. Some 3D square diagonals, that’s all you need to know.

Source Graphiste

 More Textures
Planks & Wornboards #1350
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Background pattern 239 (colour 2) #2216
 Red  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Black [email protected] #64
 Dark  CC BY-SA 3.0

In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.

Source Atle Mo

Background pattern 225 #2327
 Colorful  CC 0

Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Decorative divider 203 #2389
 Dark  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Cross frame #1718
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by starchim01

Source Firkin

White Brick Wall #593
 Wall  CC BY-SA 3.0

If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.

Source Listvetra

Dark Brown Fabric-Like Texture #963
 Stripes  CC BY-SA 3.0

A seamless striped fabric-like texture colored in a dark reddish brown color.

Source V. Hartikainen

Grunge [email protected] #82
 Wall  CC BY-SA 3.0

Light gray grunge wall with a nice texture overlay.

Source Adam Anlauf

Woody texture-seamless pattern 03 #2543
 Wood  CC 0

This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/

Source Yamachem

Stone Wall & Yellow #1528
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Light [email protected] #760
 Paper  CC BY-SA 3.0

Has nothing to do with toast, but it’s nice and subtle.

Source Pippin Lee

Abstract Geometric Monochrome Pattern Prismatic No Background #385
 Noise  CC 0

Abstract Geometric Monochrome Pattern Prismatic No Background

Source GDJ

"Dark Wood", Free Web Background #872
 Wood  CC BY-SA 3.0

Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!

Source V. Hartikainen

Fake Luxury #621
 Diamond  CC BY-SA 3.0

Fake or not, it’s quite luxurious.

Source Factorio.us Collective

"Beige Stone", Seamless Web Texture #1031
 Stone  CC BY-SA 3.0

It looks like a polished stone surface to me. Download it for free, as always.

Source V. Hartikainen

Decorative divider 218 #2232
 Dark  CC 0

Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.

Source Firkin

Paper [email protected] #16
 Paper  CC BY-SA 3.0

A slightly grainy paper pattern with small horizontal and vertical strokes.

Source Atle Mo

Tex2res4 #717
 Dark  CC BY-SA 3.0

Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

[email protected] #856
 Light  CC BY-SA 3.0

You can never get enough of these tiny pixel patterns with sharp lines.

Source Designova

Stone Wall & Purple #1566
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Atomicfrogs #1670
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Vintage Elegant Floral Background #257
 Fabric  CC 0

PDP

Source GDJ

Project [email protected] #120
 Paper  CC BY-SA 3.0

Light square grid pattern, great for a “DIY projects” sort of website, maybe?

Source Rafael Almeida

Background pattern 309 (colour 2) #1865
 Blue  CC 0

Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.

Source Firkin

Absurdity #825
 Light  CC BY-SA 3.0

Bit of a strange name on this one, but still nice. Tiny gray square things.

Source Carlos Valdez

Prismatic Geometric Pattern Background 2 No Black #410
 Noise  CC 0

Prismatic Geometric Pattern Background 2 No Black

Source GDJ