More Rough Wood 3 #1429
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

 More Textures
Gray Lines #913
 Light  CC BY-SA 3.0

Some more diagonal lines and noise, because you know you want it.

Source Atle Mo

Interlocking pattern 3 (colour 2) #2405
 Grid  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.

Source Firkin

Grunge For Surfaces 2 #1399
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Background pattern 315 #1845
 Blue  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

Snowflake remix #155
 Dark  CC 0

A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.

Source Lazur URH

Dungeons & Flagons 2 #1418
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Mix & Red Pattern #1630
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Background pattern 227 (colour 3) #2312
 Pink  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

Background pattern 214 #2377
 Blue  CC 0

A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.

Source Firkin

Configurable Graph Paper #141
 Stripes  CC BY-SA 3.0

Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.

Source JayNick

Background pattern 312 (colour 2) #1859
 Red  CC 0

Alternative colour scheme

Source Firkin

Waves #1694
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Tex2res1 #721
 Fabric  CC BY-SA 3.0

Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

Glories #1681
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Background pattern 215 (colour 2) #2370
 Blue  CC 0

A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.

Source Firkin

Stone Wall & Dark #1479
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Brushed Alum #67
 Light  CC BY-SA 3.0

A light brushed aluminum pattern for your pleasure.

Source Tim Ward

Spiral pattern 3 #1934
 Dark  CC 0

From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.

Source Firkin

Dirty #1372
 Green  CC 0

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

Source Linolafett

Seamless Light Background Texture #1023
 Stone  CC BY-SA 3.0

Seamless Light Background Texture.

Source V. Hartikainen

Diagonales Decalées #1018
 Light  CC BY-SA 3.0

Sounds French. Some 3D square diagonals, that’s all you need to know.

Source Graphiste

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

Prismatic Triangular Background Design Mark II 5

Source GDJ

Prismatic Groovy Concentric Background 3 No Black #459
 Noise  CC 0

Prismatic Groovy Concentric Background 3 No Black

Source GDJ

"Dark Red Canvas", Seamless Web [email protected] #1222
 Red  CC BY-SA 3.0

A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.

Source V. Hartikainen

Floral design 87 #1886
 Dark  CC 0

From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.

Source Firkin

Shapes pattern 2 #2241
 Red  CC 0

A background made up of shapes.

Source Firkin

Stone Wall & Yellow #1482
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

The Black [email protected] #770
 Dark  CC BY-SA 3.0

Super dark, crisp and detailed. And a Kill Bill reference.

Source Badhon Ebrahim

Wavy background #2017
 Green  CC 0

A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic

Source Firkin