Background pattern 112 #263
 Fabric  CC 0

A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.

Source Firkin

 More Textures
Dark Brown Timber Wall Texture #874
 Wood  CC BY-SA 3.0

A free seamless background texture of "timber wall" (colored in dark brown).

Source V. Hartikainen

Dark Stripes #39
 Dark  CC BY-SA 3.0

Very dark pattern with some noise and 45-degree lines.

Source Stefan Aleksić

Decorative divider 297 #1746
 Pink  CC 0

From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.

Source Firkin

Background pattern 267 #2067
 Dark  CC 0

Remixed from a drawing in 'An Index to Deering's Nottinghamia Vetus et Nova', Rupert Chicken, 1899. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i

Source Firkin

Bark #1379
 Wall  CC 0

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

Source Linolafett

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

Background cubic #238
 Dark  CC 0

Fondo en falsa perpectiva

Source Roshellin

Prismatic Abstract Geometric Background 5 #401
 Noise  CC 0

Prismatic Abstract Geometric Background 5

Source GDJ

More Rough Wood 2 #1428
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Background pattern 215 (colour 4) #2368
 Green  CC 0

A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.

Source Firkin

Prismatic Polka Dots Mark II No [email protected] #531
 Noise  CC 0

Prismatic Polka Dots Mark II No Background

Source GDJ

Dungeons & Flagons 9 #1425
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Triangular Psychosis 3 #235
 Noise  CC 0

A colorful triangular background, variation 3.

Source GDJ

Stone Wall & Yellow #1551
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 6 #225
 Noise  CC 0

Another fairly simple design drawn in Paint.net and vectorized in Inkscape.

Source Firkin

White Brick Wall #593
 Wall  CC BY-SA 3.0

If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.

Source Listvetra

SubtleNet #855
 Light  CC BY-SA 3.0

You can never get enough of these tiny pixel patterns with sharp lines.

Source Designova

Stone Wall & Dark #1495
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Old Wood Planks #877
 Wood  CC BY-SA 3.0

Here is a new seamless wood texture for using as blog or website backgrounds.

Source V. Hartikainen

Background pattern 259 (colour 4) #2131
 Green  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

[email protected] #706
 Light  CC BY-SA 3.0

Detailed but still subtle and quite original. Lovely gray shades.

Source Kim Ruddock

Colourful background #2010
 Colorful  CC 0

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

Source Firkin

Wavy background #2018
 Colorful  CC 0

CC0 and a seamless pattern from a tile drawn in Paint.net .

Source SliverKnight

Background pattern 224 #2342
 Colorful  CC 0

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

Source Firkin

Corrosive Dark #1660
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Thick Textured Brown Paper #1070
 Paper  CC BY-SA 3.0

A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.

Source V. Hartikainen

Micro [email protected] #8
 Carbon  CC BY-SA 3.0

Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.

Source Atle Mo

Parket #1478
 Wood  CC 0

Parket & Wood CC0 texture.

Source Unknow