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

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

Source Firkin

 More Textures
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

Brick #1377
 Wall  CC 0

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

Source Linolafett

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

Vintage pattern #1961
 Grid  CC 0

Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.

Source Firkin

Pattern & Plywood #1348
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Tactile Noise #5
 Dark  CC BY-SA 3.0

A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.

Source Atle Mo

Seamless Core Pattern 10 #171
 Dark  CC 0

Seamless Core Pattern 10

Source GDJ

Floral design 100 (version 2, colour) #1772
 Green  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Mix & Black Pattern #1629
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Background pattern 254 #2144
 Dark  CC 0

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

Source Firkin

Paper [email protected] #16
 Paper  CC BY-SA 3.0

A slightly grainy paper pattern with small horizontal and vertical strokes.

Source Atle Mo

Square ornament 32 #2433
 Dark  CC 0

Drawn in Paint.net using the kaleidoscope plug-in and vectorised.

Source Firkin

Leafy pattern 8 #1806
 Dark  CC 0

Inspired by a JPG that was uploaded to Pixabay by kokon_art

Source Firkin

[email protected] #303
 Dark  CC BY-SA 3.0

Dark, square, clean and tidy. What more can you ask for?

Source Jaromír Kavan

Background pattern brown #1945
 Brown  CC 0

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

Source Firkin

Dungeons & Flagons 2 #1418
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Prismatic Dots [email protected] #502
 Noise  CC 0

Prismatic Dots Background

Source GDJ

Seamless Colorful Floral Pattern Background #256
 Fabric  CC 0

PDP

Source GDJ

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

Retro Squares Background 2

Source GDJ

Abstract Tiled Background Extended 12 #523
 Noise  CC 0

Abstract Tiled Background Extended 12

Source GDJ

Subtle White Feathers #1103
 Light  CC BY-SA 3.0

This one is amazing, truly original. Go use it!

Source Viahorizon

Floral design 108 #1706
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by darkmoon1968

Source Firkin

Background pattern 238 (colour 3) #2227
 Blue  CC 0

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

Source Firkin

Seamless Cardboard Texture #1212
 Cardboard  CC BY-SA 3.0

A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.

Source V. Hartikainen

Leafy pattern 11 #1765
 Dark  CC 0

From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.

Source Firkin

Old Cardboard, Background Texture #1213
 Cardboard  CC BY-SA 3.0

A seamless background texture of old cardboard.

Source V. Hartikainen

Axiom [email protected] #331
 Grid  CC BY-SA 3.0

Not even 1kb, but very stylish. Gray thin lines.

Source Struck Axiom

Tall plant #1818
 Dark  CC 0

From a drawing in 'The Christian Year', John Keble, 1880

Source Firkin

Zodiac sign symbol background #1927
 Red  CC 0

Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern

Source Firkin

Diamond pattern 2 (colour 6) #2261
 Colorful  CC 0

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

Source Firkin