Gravel 3 Normal #1473
 Paper  CC 0

Ground style CC0 texture.

Source StruffelProductions

 More Textures
P5 #1113
 Light  CC BY-SA 3.0

Number five from the same submitter, makes my job easy.

Source Dima Shiper

Always Grey #53
 Dark  CC BY-SA 3.0

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

Source Stefan Aleksić

Dungeons & Flagons 1 #1417
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Prismatic Dots Background [email protected] #504
 Noise  CC 0

Prismatic Dots Background 2

Source GDJ

Lorem Ipsum Background #1071
 Paper  CC BY-SA 3.0

An aged paper background tile with smeared and pressed text.

Source V. Hartikainen

PW Pattern #1142
 Light  CC BY-SA 3.0

Vertical and horizontal lines form some cubes.

Source Peax

Decorative divider 202 #2390
 Dark  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Chain background #2063
 Dark  CC 0

Remixed from a drawing in 'Canadian forest industries July-December', 1915

Source Firkin

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

Moss 1 #2104
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Prismatic Groovy Concentric Background 3 #457
 Noise  CC 0

Prismatic Groovy Concentric Background 3

Source GDJ

Decorative divider 210 #2364
 Dark  CC 0

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

Source Firkin

Tiny Grid #891
 Light  CC BY-SA 3.0

You know, tiny and sharp. I’m sure you’ll find a use for it.

Source Atle Mo

Abstract Ellipses Background Grayscale #378
 Dark  CC 0

Abstract Ellipses Background Grayscale

Source GDJ

Recharging the void #164
 Noise  CC 0

Original effect recreated by a simple filter.

Source Lazur URH

Christmas pattern (colour) #2423
 Fabric  CC 0

Derived from an image on Pixabay.

Source Firkin

Dark Textile Background #1169
 Fabric  CC BY-SA 3.0

A background tile of dark textile. Made this a long time ago and just now decided to publish it.

Source V. Hartikainen

Colourful background 39 #1782
 Noise  CC 0

A colourful chequerboard-type pattern.

Source Firkin

One in a Million #1346
 Gray  CC BY-SA 3.0

Nicely executed tiling for an interesting pattern.

Source Ignasi Àvila Padró

Dark Embroidery #1340
 Dark  CC BY-SA 3.0

A classic dark tile for a bit of vintage darkness.

Source Listvetra

Project Papper #119
 Paper  CC BY-SA 3.0

Light square grid pattern, great for a “DIY projects” sort of website, maybe?

Source Rafael Almeida

Wood 4 #1447
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Background pattern green #2027
 Green  CC 0

Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Pink Lime Circle Pattern Scrapbook Paper #145
 Noise  CC BY-SA 3.0

Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.

Source Lovinglf

White Plaster #368
 Wall  CC BY-SA 3.0

Sweet and subtle white plaster with hints of noise and grunge.

Source Phil Maurer

"Gray Stripes", Background Pattern #941
 Stripes  CC BY-SA 3.0

This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.

Source V. Hartikainen

Background pattern 227 (colour 4) #2311
 Green  CC 0

A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.

Source Firkin