Video Game Website Background #1327
 Green  CC BY-SA 3.0

This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!

Source V. Hartikainen

 More Textures
Deevad Torchon #1667
 Paper  CC 0

Paper. CC0 License.

Source Unknow

Old Moon #1201
 Gray  CC BY-SA 3.0

Awesome name, great pattern. Who does not love space?

Source Nick Batchelor

Congruent Pentagon Outline #1308
 Dark  CC BY-SA 3.0

By popular request, an outline version of the pentagon pattern.

Source Atle Mo

Concrete Wall [email protected] #80
 Wall  CC BY-SA 3.0

A light gray wall or floor (you decide) of concrete.

Source Atle Mo

Background pattern 290 #1932
 Dark  CC 0

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

Source Firkin

AZ Subtle #990
 Light  CC BY-SA 3.0

The A – Z of Subtle? Up to you.

Source Anli

Prismatic Curved Diamond Pattern 8 No [email protected] #550
 Dark  CC 0

Prismatic Curved Diamond Pattern 8 No Background

Source GDJ

Whitey #109
 Light  CC BY-SA 3.0

A white version of the very popular linen pattern.

Source Ant Ekşiler

Polyester Lite #837
 Light  CC BY-SA 3.0

A tiny polyester pixel pattern.

Source Jeremy

Diamond Eyes #685
 Diamond  CC BY-SA 3.0

Everyone loves a diamond, right? Make your site sparkle.

Source AJ Troxell

Always Grey #53
 Dark  CC BY-SA 3.0

Crossing lines with a subtle emboss effect on a dark background.

Source Stefan Aleksić

Gravel 3 Normal #1473
 Paper  CC 0

Ground style CC0 texture.

Source StruffelProductions

Type #276
 Dark  CC BY-SA 3.0

The perfect pattern for all your blogs about type, or type-related matters.

Source Atle Mo

Plain & Wood #1356
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Colourful background #2008
 Colorful  CC 0

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

Source Firkin

Diamond pattern (colour 9) #2269
 Fabric  CC 0

From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Decorative divider 272 #1925
 Dark  CC 0

Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.

Source Firkin

Stone Wall & Black #1522
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Wood 2 #1444
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Skin Side Up #847
 Light  CC BY-SA 3.0

White fabric looking texture with some nice random wave features.

Source Hendrik Lammers

Eight Horns #1325
 Light  CC BY-SA 3.0

Looks like an old rug or a computer chip.

Source Patutin Sergey

Background pattern blue #1940
 Blue  CC 0

Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady

Source Firkin

Grid Noise #645
 Noise  CC BY-SA 3.0

Crossing lines on a light background.

Source Daivid Serif

Colorful Floral Pattern Background 8 #230
 Fabric  CC 0

PDP

Source GDJ

Washi #288
 Light  CC BY-SA 3.0

Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!

Source Carolynne

Flower pattern 2 #160
 Noise  CC 0

With a gold filter.

Source Lazur URH

Stone Wall & Yellow #1574
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Retro Intro #893
 Gray  CC BY-SA 3.0

A slightly more textured pattern, medium gray. A bit like a potato sack?

Source Bilal Ketab

Prismatic Abstract Geometric Background 5 No Black #402
 Noise  CC 0

Prismatic Abstract Geometric Background 5 No Black

Source GDJ