Brick [email protected] #1147
 Wall  CC BY-SA 3.0

One more brick pattern. A bit more depth to this one.

Source Benjamin Ward

 More Textures
Stacked Circles #673
 Light  CC BY-SA 3.0

A simple circle. That’s all it takes. This one is even transparent, for those who like that.

Source Saqib

Cake pattern #2480
 Colorful  CC 0

A seamless pattern formed from miutopia's cakes on a tablecloth.

Source Firkin

Low Contrast [email protected] #864
 Dark  CC BY-SA 3.0

A smooth mid-tone gray, or low contrast if you will, linen pattern.

Source Jordan Pittman

Background pattern 267 #2067
 Dark  CC 0

Remixed from a drawing in 'An Index to Deering's Nottinghamia Vetus et Nova', Rupert Chicken, 1899. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i

Source Firkin

Background Pattern Green #1939
 Green  CC 0

Fix and cc0 to get the tile this is based on.

Source SliverKnight

Background pattern 223 #2353
 Red  CC 0

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

Source Firkin

Seamless Core Pattern 4 #168
 Dark  CC 0

Seamless Core Pattern 4

Source GDJ

Green Dust & Scratches #107
 Wall  CC BY-SA 3.0

Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.

Source Atle Mo

Gray [email protected] #914
 Light  CC BY-SA 3.0

Some more diagonal lines and noise, because you know you want it.

Source Atle Mo

Seamless Texture of Wood Planks #880
 Wood  CC BY-SA 3.0

Here's an yet another background for websites, with a seamless texture of wood planks this time.

Source V. Hartikainen

Background pattern 214 (colour 6) #2372
 Colorful  CC 0

A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.

Source Firkin

Stone Wall & Yellow #1520
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Raindrop-seamless pattern #2558
 Blue  CC 0

This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.

Source Yamachem

Floors #1589
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Leaded glass background (colour 4) #2051
 Colorful  CC 0

Seamless pattern the tile.

Source Firkin

Floral background 17 #1851
 Green  CC 0

Vector version of a JPG that was uploaded to Pixabay by theasad121

Source Firkin

Ecailles #1042
 Light  CC BY-SA 3.0

Almost like little fish shells, or dragon skin.

Source Graphiste

Colourful background #2011
 Colorful  CC 0

Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic

Source Firkin

Leafy design 18 (colour) #1786
 Green  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Brick #1376
 Wall  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Subtle White Mini Waves #1322
 Unknow  CC BY-SA 3.0

Tiny circle waves, almost like the ocean.

Source Sagive

Gradient Squares #693
 Grid  CC BY-SA 3.0

It’s big, it’s gradient—and it’s square.

Source Brankic1979

Concretia 3 #1410
 Gray  CC 0

Gamedev - Concrete Textures. CC0 License.

Source Davit Masia

Prismatic Groovy Concentric Background [email protected] #458
 Noise  CC 0

Prismatic Groovy Concentric Background 3

Source GDJ

Background pattern 222 (colour 2) #2344
 Brown  CC 0

A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Diagonal Striped [email protected] #680
 Stripes  CC BY-SA 3.0

Might not be super subtle, but quite original in its form.

Source Alex Smith

Diamonds #1674
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow