Background pattern 306 (colour 5) #1879
 Colorful  CC 0

Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.

Source Firkin

 More Textures
Wood Web Background #870
 Wood  CC BY-SA 3.0

Here's a tile-able wood background image for use in web design.

Source V. Hartikainen

Stone Wall & Gray #1559
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Triangular Psychosis 4 #236
 Noise  CC 0

A colorful triangular background, variation 4.

Source GDJ

Carbon Fiber #3
 Carbon  CC BY-SA 3.0

A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.

Source Atle Mo

Red  #1256
 Red  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Block Well #1696
 Colorful  CC 0

Background Wall, Art Abstract, Block Well & CC0 texture.

Source Ractapopulous

[email protected] #726
 Fabric  CC BY-SA 3.0

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

Source Janos Koos

Black [email protected] #58
 Dark  CC BY-SA 3.0

The name alone is awesome, but so is this sweet dark pattern.

Source Federica Pelzel

Starry background 2 #1935
 Dark  CC 0

Inspired by a design seen on Pixabay

Source Firkin

Mosaic Gems Background #526
 Noise  CC 0

Mosaic Gems Background

Source GDJ

Background pattern 231 #2301
 Dark  CC 0

A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Light Note Paper #942
 Stripes  CC BY-SA 3.0

Here's an yet another seamless note paper texture for use as a background on websites.

Source V. Hartikainen

Plain & Walnut Dark #1358
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Background pattern 261 #2076
 Dark  CC 0

Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861

Source Firkin

Wavy background #2013
 Pink  CC 0

A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic

Source Firkin

Stone Wall & Gray #1503
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

[email protected] #134
 Light  CC BY-SA 3.0

This reminds me of Game Cube. A nice light 3D cube pattern.

Source Sander Ottens

Cover Pink #1284
 Pink  CC 0

Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.

Source Sojan Janso

Gradient Squares #693
 Grid  CC BY-SA 3.0

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

Source Brankic1979

Leafy pattern 5 #1854
 Dark  CC 0

Remixed from a JPG that was uploaded to Pixabay by susanlu4esm

Source Firkin

Black Metallic Pattern #1090
 Metal  CC BY-SA 3.0

A free black metallic background pattern. Here's a new pattern I made that looks metallic.

Source V. Hartikainen

Background pattern 226 (colour 3) #2318
 Colorful  CC 0

A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Decorative divider 204 #2388
 Dark  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Wide [email protected] #700
 Wall  CC BY-SA 3.0

Simple wide squares with a small indent. Fits all.

Source Petr Šulc.

Rubber Grip #101
 Dark  CC BY-SA 3.0

A very slick dark rubber grip pattern, sort of like the grip on a camera.

Source Sinisha

Subtle Dots #921
 Light  CC BY-SA 3.0

As simple and subtle as it gets. But sometimes that’s just what you want.

Source Designova

Background pattern 252 (colour 4) #2159
 Light  CC 0

Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Decorative divider 207 #2367
 Dark  CC 0

Derived from elements found in a floral ornament drawing on Pixabay.

Source Firkin

Retro Squares Background [email protected] #417
 Noise  CC 0

Retro Squares Background 2

Source GDJ