Leafy pattern grass and green  #1966
 Green  CC 0

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

Source Firkin

 More Textures
Subtle Orange Emboss #97
 Light  CC BY-SA 3.0

A hint of orange color, and some crossed and embossed lines.

Source Adam Anlauf

Craft Paper #1279
 Yellow  CC 0

Zero CC tileable yellow craft paper; scanned and made by me. CC0

Source Sojan Janso

Seamless Blue On Yellow Background #1160
 Grid  CC BY-SA 3.0

This seamless pattern consists of a blue grid on a yellow background.

Source V. Hartikainen

"Black Metal Grid", Seamless Background Pattern #1080
 Metal  CC BY-SA 3.0

A free seamless background pattern for use on websites.

Source V. Hartikainen

Floors & Yellow #1609
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Stone Wall & Dark #1521
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Stone Wall & Dark #1549
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral Pattern Background 5 #219
 Noise  CC 0

PDP

Source GDJ

Asfault 1 #1380
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Asfault 4 #1383
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Leafy pattern 6 #1852
 Green  CC 0

Remixed from a PNG that was uploaded to Pixabay by gingertea

Source Firkin

Shattered #951
 Gray  CC BY-SA 3.0

A large pattern with funky shapes and form. An original. Sort of origami-ish.

Source Luuk van Baars

Wavy background #2020
 Green  CC 0

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

Source SliverKnight

Background pattern 339 (colour 2) #1707
 Green  CC 0

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

Source Firkin

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

[email protected] #826
 Light  CC BY-SA 3.0

Bit of a strange name on this one, but still nice. Tiny gray square things.

Source Carlos Valdez

Cardboard Flat #961
 Gray  CC BY-SA 3.0

Not a flat you live inside, like in the UK – but a flat piece of cardboard.

Source Appleshadow

Brick & Red #1374
 Wall  CC 0

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

Source Linolafett

"Honeycomb", Orange Background Pattern #1313
 Orange  CC BY-SA 3.0

The following orange background pattern resembles a honeycomb.

Source V. Hartikainen

Prismatic Dots Background 8 #515
 Noise  CC 0

Prismatic Dots Background 8

Source GDJ

Diagonal Striped Brick #679
 Stripes  CC BY-SA 3.0

Might not be super subtle, but quite original in its form.

Source Alex Smith

Watercolor #1477
 Colorful  CC 0

Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.

Source Ractapopulous

Fabric pattern 2 #2396
 Fabric  CC 0

Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Textured Paper Background (Vanilla Yellow) #1219
 Yellow  CC BY-SA 3.0

Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).

Source V. Hartikainen

Retro Squares Background 2 #416
 Noise  CC 0

Retro Squares Background 2

Source GDJ

Prismatic Hexagonalism Pattern No [email protected] #803
 Light  CC 0

Prismatic Hexagonalism Pattern No Background

Source GDJ

Decorative divider 207 #2367
 Dark  CC 0

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

Source Firkin

White Leather #639
 Fabric  CC BY-SA 3.0

I took the liberty of using Dmitry’s pattern and made a version without perforation.

Source Atle Mo

Decorative divider 221 #2224
 Dark  CC 0

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

Source Firkin

Floral background 10 #2046
 Yellow  CC 0

Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.

Source Firkin