Aged Grid Paper Background #1072
 Paper  CC BY-SA 3.0

A seamless web background with texture of aged grid paper.

Source V. Hartikainen

 More Textures
Floral pattern 3 (colour) #2330
 Colorful  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Background Patterns - Aubergine #247
 Fabric  CC 0

If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117

Source Viscious-Speed

Page ornament 23 #2357
 Dark  CC 0

Formed in Paint.net and vectorised in Vector Magic.

Source Firkin

Carbon Fiber v2 #105
 Carbon  CC BY-SA 3.0

One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.

Source Atle Mo

Background pattern 252 (colour 5) #2158
 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

Textured Red Brown Plastic #878
 Wood  CC BY-SA 3.0

Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)

Source V. Hartikainen

Bark #1379
 Wall  CC 0

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

Source Linolafett

Sine wave background #1735
 Dark  CC 0

The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Soft Kill #318
 Dark  CC BY-SA 3.0

Pattern #100! A black classic knit-looking pattern.

Source Factorio.us Collective

Rough Diagonal #691
 Fabric  CC BY-SA 3.0

The classic 45-degree diagonal line pattern, done right.

Source Jorick van Hees

Background pattern 4 #223
 Noise  CC 0

A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!

Source Firkin

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

Weather decorative divider #1905
 Dark  CC 0

Vector version of a png that was uploaded to Pixabay by pencilparker

Source Firkin

Floral background 5 #2404
 Fabric  CC 0

A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.

Source Firkin

Background pattern 263 #2073
 Pink  CC 0

Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.

Source Firkin

Background pattern 257 #2137
 Dark  CC 0

Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Floors & Wood #1613
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Large Leather #649
 Paper  CC BY-SA 3.0

More leather, and this time it’s bigger! You know, in case you need that.

Source Elemis

Diamond pattern (colour 2) #2284
 Green  CC 0

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

Source Firkin

Dust #919
 Light  CC BY-SA 3.0

Another one bites the dust! Boyah.

Source Dominik Kiss

Decorative divider 251 #2069
 Dark  CC 0

Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.

Source Firkin

Retro Squares Background 8 #398
 Noise  CC 0

Retro Squares Background 8

Source GDJ

Ice Age #637
 Paper  CC BY-SA 3.0

I asked Gjermund if he could make a pattern for us – result!

Source Gjermund Gustavsen

Decorative divider 276 #1916
 Dark  CC 0

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

Source Firkin

Floral Abstract Pattern Background #217
 Noise  CC 0

PDP

Source GDJ

Colorful Floral [email protected] #480
 Noise  CC 0

Colorful Floral Background

Source GDJ

Background pattern 5 #224
 Noise  CC 0

A pattern drawn in Paint.net and vectorized in Inkscape.

Source Firkin

Dark Embroidery #1340
 Dark  CC BY-SA 3.0

A classic dark tile for a bit of vintage darkness.

Source Listvetra