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

 More Textures
Checkered Pattern #322
 Grid  CC BY-SA 3.0

Simple gray checkered lines, in light tones.

Source Radosław Rzepecki

Prismatic Abstract Line Art Pattern Background [email protected] #568
 Dark  CC 0

Prismatic Abstract Line Art Pattern Background 2

Source GDJ

Pattern #1476
 Paper  CC 0

Pattern Background, Texture, Photoshop Structure style CC0 texture.

Source Darkmoon1968

Prismatic Geometric Tessellation Pattern 4 No [email protected] #558
 Noise  CC 0

Prismatic Geometric Tessellation Pattern 4 No Background

Source GDJ

Glossy Diagonal Stripes, Background Pattern #908
 Stripes  CC BY-SA 3.0

The following free background pattern has glossy diagonal stripes as a texture to it, and it's colored in a light blue gray color. This background pattern is suitable for using in web design or any other graphic design projects. This applies to all background patterns here.

Source V. Hartikainen

Page ornament 29 #2307
 Red  CC 0

From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.

Source Firkin

Chequered cat #2431
 Grid  CC 0

A cat with a chequered them including the background.

Source Firkin

Soft [email protected] #96
 Wall  CC BY-SA 3.0

Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.

Source Atle Mo

Background pattern 246 (colour 5) #2182
 Colorful  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Prismatic Curved Diamond Pattern 2 No [email protected] #539
 Diamond  CC 0

Prismatic Curved Diamond Pattern 2 No Background

Source GDJ

Wavy background #2013
 Pink  CC 0

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

Source Firkin

Elegant Grid #316
 Wall  CC BY-SA 3.0

This is a hot one. Small, sharp and unique.

Source GraphicsWall

Decorative divider 276 #1916
 Dark  CC 0

From a drawing in 'Poems', James Smith, 1881.

Source Firkin

Rain pattern #1933
 Water  CC 0

To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i

Source Firkin

White Leather #639
 Fabric  CC BY-SA 3.0

I took the liberty of using Dmitry’s pattern and made a version without perforation.

Source Atle Mo

Diamond pattern 2 (colour 3) #2266
 Colorful  CC 0

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

Source Firkin

Abstract Tiled Background Extended 7 #518
 Dark  CC 0

Abstract Tiled Background Extended 7

Source GDJ

Medic Packaging [email protected] #377
 Light  CC BY-SA 3.0

8 by 8 pixels, and just what the title says.

Source pixilated

Background pattern 268 #2066
 Dark  CC 0

Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i

Source Firkin

Graphcoders Lil [email protected] #730
 Fabric  CC BY-SA 3.0

Tiny little fibers making a soft and sweet look.

Source Badhon Ebrahim

paper filer pack 2 #140
 Noise  CC 0

A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.

Source Lazur URH

“Transparent” Background [email protected] #494
 Light  CC 0

An emulated “transparent” background pattern, like that of all kinds of computer graphics software.

Source AdamStanislav

Diagonal Waves #1006
 Gray  CC BY-SA 3.0

It has waves, so make sure you don’t get sea sickness.

Source CoolPatterns

Dungeons & Flagons 6 #1422
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

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

Page ornament #1987
 Dark  CC 0

Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.

Source Firkin

Light [email protected] #696
 Grid  CC BY-SA 3.0

Submitted as a black pattern, I made it light and a few steps more subtle.

Source Andy

Decorative divider 189 #2518
 Dark  CC 0

From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.

Source Firkin

Background pattern 246 (colour 4) #2183
 Green  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Gray Dots Background Pattern #1127
 Grid  CC BY-SA 3.0

A seamless background pattern with impressed gray dots.

Source V. Hartikainen