Background pattern blue #1940
 Blue  CC 0

Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady

Source Firkin

 More Textures
Bird pattern #2293
 Pink  CC 0

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

Source Firkin

Floral background 16 (colour) #1913
 Colorful  CC 0

Floral background 16 (colour)

Source Firkin

Lyonnette #761
 Gray  CC BY-SA 3.0

Small crosses with round edges. Quite cute.

Source Tish

Background pattern 315 (colour 6) #1840
 Green  CC 0

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

Source Firkin

Crisp Paper Ruffles #841
 Light  CC BY-SA 3.0

Sort of reminds me of those old house wallpapers.

Source Tish

Paisley Background #495
 Light  CC 0

Paisley Background

Source GDJ

Retro Squares Background 9 #399
 Dark  CC 0

Retro Squares Background 9

Source GDJ

Stone Wall & Gray #1503
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Patern dots #241
 Dark  CC 0

Pattern repeating background 48x48

Source Keistutis

Floors #1593
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Green [email protected] #92
 Dark  CC BY-SA 3.0

The green fibers pattern will work very well in grayscale as well.

Source Matteo Di Capua

Flowery pattern 3 (colour 2) #2329
 Pink  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

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

Congruent Pentagon Outline #1308
 Dark  CC BY-SA 3.0

By popular request, an outline version of the pentagon pattern.

Source Atle Mo

Sakura Blossoms Background #389
 Noise  CC 0

Sakura Blossoms Background

Source GDJ

Dark Brown Wood Pattern #884
 Wood  CC BY-SA 3.0

A seamless background pattern of dark brown wood planks.

Source V. Hartikainen

Natural Paper #833
 Paper  CC BY-SA 3.0

You know I’m a sucker for these. Well-crafted paper pattern.

Source Mihaela Hinayon

Brick #1375
 Wall  CC 0

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

Source Linolafett

Waves decorative divider #1908
 Blue  CC 0

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

Source Firkin

Brushed Alum Dark #65
 Dark  CC BY-SA 3.0

Because I love dark patterns, here is Brushed Alum in a dark coating.

Source Tim Ward

Triangles #127
 Dark  CC BY-SA 3.0

Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.

Source Ivan Ginev

Light Gray #1203
 Gray  CC BY-SA 3.0

Like the name says, light and gray, with some small dots and circles.

Source Brenda Lay

overlay crack #153
 Noise  CC 0

This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.

Source Lazur URH

Fabric (Plaid) #591
 Fabric  CC BY-SA 3.0

You know you can’t get enough of these linen-fabric-y patterns.

Source James Basoo

Whitey #109
 Light  CC BY-SA 3.0

A white version of the very popular linen pattern.

Source Ant Ekşiler

[email protected] #716
 Light  CC BY-SA 3.0

One more in the line of patterns inspired by Japanese/Asian styles. Smooth.

Source Kim Ruddock

Cubes #133
 Light  CC BY-SA 3.0

This reminds me of Game Cube. A nice light 3D cube pattern.

Source Sander Ottens

Pixel bird pattern #1846
 Red  CC 0

Remixed from an SVG by Devanath found on Pixabay

Source Firkin

Stone Wall & Dark #1526
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Subtle Website Background #1022
 Stone  CC BY-SA 3.0

Here's a subtle marble-like background for use on websites.

Source V. Hartikainen