Floors & Black #1611
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

 More Textures
Prismatic Abstract Geometric Background 5 #401
 Noise  CC 0

Prismatic Abstract Geometric Background 5

Source GDJ

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

Colorful Bicycles Background #207
 Noise  CC 0

Pixabay.

Source GDJ

Subtle [email protected] #956
 Light  CC BY-SA 3.0

The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.

Source Haris Šumić

Visual illusion #2586
 Grid  CC 0

The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Old Wall #346
 Wall  CC BY-SA 3.0

Old concrete wall in light shades.

Source Bartosz Kaszubowski

PW Pattern #1142
 Light  CC BY-SA 3.0

Vertical and horizontal lines form some cubes.

Source Peax

Spirals pattern #1994
 Colorful  CC 0

Uses spirals from Pixabay. To get the basic tile select the rectangle in Inkscape and use shift+alt+i

Source Firkin

Floral pattern 7 (colour 2) #2290
 Blue  CC 0

Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Prismatic Triangular Background Design Mark II 5 #406
 Dark  CC 0

Prismatic Triangular Background Design Mark II 5

Source GDJ

Background pattern 249 #2179
 Blue  CC 0

To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Leafy pattern grass and green  #1966
 Green  CC 0

Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880

Source Firkin

Decorative divider 218 #2232
 Dark  CC 0

Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.

Source Firkin

[email protected] #578
 Paper  CC BY-SA 3.0

With a name like this, it has to be hot. Diagonal lines in light shades.

Source Isaac

Prismatic Abstract Geometric Background 5 No Black #402
 Noise  CC 0

Prismatic Abstract Geometric Background 5 No Black

Source GDJ

Triangular ornament 32 #2435
 Dark  CC 0

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

Source Firkin

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

Dark Brick Pattern #1032
 Stone  CC BY-SA 3.0

A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.

Source V. Hartikainen

Floors & Dark #1595
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

45-Degree [email protected] #2
 Fabric  CC BY-SA 3.0

Medium gray fabric pattern with 45-degree lines going across.

Source Atle Mo

Floral pattern 9 #2043
 Dark  CC 0

The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.

Source Firkin

Pinetree in tortoiseshell(亀甲松) #2538
 Dark  CC 0

The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/

Source Yamachem

Asfault 1 #1380
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Decorative divider 228 #2154
 Dark  CC 0

Remixed from a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.

Source Firkin

Prismatic Hexagonalism Pattern No Background #391
 Light  CC 0

Prismatic Hexagonalism Pattern No Background

Source GDJ

cloth texture #2454
 Fabric  CC 0

This is a light-brown cloth texture.

Source Yamachem

Floral Pattern Background 3 #218
 Noise  CC 0

PDP

Source GDJ

Seamless Texture of Wood Planks #880
 Wood  CC BY-SA 3.0

Here's an yet another background for websites, with a seamless texture of wood planks this time.

Source V. Hartikainen

Leafy pattern 7 (colour 2) #1826
 Blue  CC 0

Alternative colour scheme.

Source Firkin