Wood Pattern #370
 Wood  CC BY-SA 3.0

One of the few full-color patterns here, but this one was just too good to pass up.

Source Alexey Usoltsev

 More Textures
Floors #1588
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Wave [email protected] #1133
 Light  CC BY-SA 3.0

Submitted by DomainsInfo – wtf, right? But hey, a free pattern.

Source DomainsInfo

Skewed [email protected] #820
 Dark  CC BY-SA 3.0

An interesting dark spotted pattern at an angle.

Source Hendrik Lammers

Background pattern 246 (colour 2) #2185
 Green  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

[email protected] #734
 Wall  CC BY-SA 3.0

Medium gray pattern with small strokes to give a weave effect.

Source Catherine

Floors & Net #1616
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Aged Grid Paper Background #1072
 Paper  CC BY-SA 3.0

A seamless web background with texture of aged grid paper.

Source V. Hartikainen

Chequered cat #2431
 Grid  CC 0

A cat with a chequered them including the background.

Source Firkin

Wood Web Background #870
 Wood  CC BY-SA 3.0

Here's a tile-able wood background image for use in web design.

Source V. Hartikainen

Dark Matter #601
 Dark  CC BY-SA 3.0

The name is totally random, but hey, it sounds good.

Source Atle Mo

Floors & Dark Stone #1594
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Prismatic Abstract Geometric Background 2 #268
 Noise  CC 0

Prismatic Abstract Geometric Background 2

Source GDJ

Grunge For Surfaces 7 #1404
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Decorative divider 217 #2233
 Dark  CC 0

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

Source Firkin

Fabric of [email protected] #1096
 Light  CC BY-SA 3.0

As far as fabric patterns goes, this is quite crisp.

Source Heliodor Jalba

Sativa #1306
 Dark  CC BY-SA 3.0

Honestly, who does not like a little pipe and mustache?

Source Luca Errico

Prismatic Isometric Cube Wireframe Pattern No [email protected] #500
 Light  CC 0

Prismatic Isometric Cube Wireframe Pattern No Background

Source GDJ

Cross pattern (negative) #2332
 Dark  CC 0

A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Retro Squares Background 5 #395
 Dark  CC 0

Retro Squares Background 5

Source GDJ

Banner pack 6 #2438
 Colorful  CC 0

Three coloured banners. From an image on Pixabay.

Source Firkin

Brushed Aluminum 1 #1389
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Floral pattern 6 (colour 2) #2460
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

Stone Wall & Dark #1545
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern yellow #1999
 Yellow  CC 0

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

Source Firkin

Vintage pattern #1958
 Grid  CC 0

Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.

Source Firkin

Background pattern 266 #2068
 Dark  CC 0

Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.

Source Firkin

Food and drink design #1897
 Dark  CC 0

Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.

Source Firkin

Absurdity #825
 Light  CC BY-SA 3.0

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

Source Carlos Valdez

White Wall #771
 Wall  CC BY-SA 3.0

A huge one at 800x600px. Made from a photo I took going home after work.

Source Atle Mo