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

The following orange background pattern resembles a honeycomb.

Source V. Hartikainen

 More Textures
Abstract Tiled Background Extended 11 #522
 Noise  CC 0

Abstract Tiled Background Extended 11

Source GDJ

Dungeons & Flagons 9 #1425
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Decorative divider #1943
 Dark  CC 0

Inspired by a drawing in 'Poems', James Smith, 1881.

Source Firkin

Retro Circles Background [email protected] #421
 Dark  CC 0

Retro Circles Background 4

Source GDJ

Lead glass tile #2048
 Colorful  CC 0

Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.

Source Firkin

Background pattern 227 #2314
 Yellow  CC 0

A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.

Source Firkin

Stone Wall & Yellow #1497
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

[email protected] #856
 Light  CC BY-SA 3.0

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

Source Designova

Geometric pattern #2005
 Grid  CC 0

A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i

Source Firkin

Brushed [email protected] #68
 Light  CC BY-SA 3.0

A light brushed aluminum pattern for your pleasure.

Source Tim Ward

Stone Wall & Gray #1510
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Zodiac pattern (black background) #267
 Dark  CC 0

A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.

Source Firkin

Wood Old Panels #1435
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Floral background 16 #1914
 Dark  CC 0

Floral background 16

Source Firkin

Farmer #659
 Fabric  CC BY-SA 3.0

Farmer could be some sort of fabric pattern, with a hint of green.

Source Fabian Schultz

Grunge For Surfaces 7 #1404
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Water & Yellow #1575
 Yellow  CC 0

Incoming catena. Water & well. CC0 texture.

Source Unknow

Wood 9 #1454
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Background pattern 236 #2249
 Dark  CC 0

Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Sponge A2-5 #2128
 Wall  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Floral design 99 #1776
 Dark  CC 0

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

Source Firkin

Stone Wall & Gray #1560
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral background [email protected] #430
 Wall  CC 0

Background formed from the original with an emboss effect

Source GDJ

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

Leafy design 18 (colour) #1786
 Green  CC 0

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

Source Firkin

Stone Wall & Purple #1565
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Prismatic Abstract Geometric Background #269
 Noise  CC 0

Prismatic Abstract Geometric Background derived from an image on Pixabay.

Source GDJ

Decorative divider 222 #2208
 Dark  CC 0

Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.

Source Firkin