More Textures
Iron Grip #587
 Dark  CC BY-SA 3.0

Sounds like something from World of Warcraft. Has to be good.

Source Tony Kinard

Leopard Skin Pattern #1120
 Leather  CC BY-SA 3.0

A seamless pattern of leopard skin. It should look nice as a background element on web pages.

Source V. Hartikainen

Floral background 19 #1833
 Dark  CC 0

Remixed from a JPG that was uploaded to Pixabay by Osckar

Source Firkin

Gears pattern 4 (colour 2) #2237
 Red  CC 0

A seamless pattern formed from gears.

Source Firkin

Wall #1239
 Stone  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Background pattern purple #1946
 Colorful  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Light Paper Fibers #835
 Paper  CC BY-SA 3.0

More in the paper realm, this time with fibers.

Source Jorge Fuentes

[email protected] #297
 Grid  CC BY-SA 3.0

A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.

Source Josh Green

Concrete [email protected] #78
 Wall  CC BY-SA 3.0

Dark blue concrete wall with some small dust spots.

Source Atle Mo

Floral pattern 17 (colour) #1724
 Orange  CC 0

Derived from an image that was uploaded to Pixabay by mdmelo.

Source Firkin

Background pattern 309 (colour 4) #1863
 Green  CC 0

Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.

Source Firkin

Subtle Dark Vertical #607
 Dark  CC BY-SA 3.0

Classic vertical lines, in all its subtlety.

Source Cody L

Grunge Website Background #1122
 Grunge  CC BY-SA 3.0

A seamlessly tile-able grunge background image.

Source V. Hartikainen

Seamless 3D Isometric Tessellation Pattern 2 #147
 Light  CC 0

A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).

Source GDJ

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

Grid [email protected] #606
 Grid  CC BY-SA 3.0

Nice little grid. Would work great as a base on top of some other patterns.

Source Arno Gregorian

Tessellation 16 (colour 5) #2211
 Yellow  CC 0

The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.

Source Firkin

Craft Paper #1279
 Yellow  CC 0

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

Source Sojan Janso

Blue #1264
 Paper  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Checkered Light [email protected] #281
 Grid  CC BY-SA 3.0

Sort of like the Photoshop transparent background, but better!

Source Alex Parker

Moulin #1066
 Dark  CC BY-SA 3.0

No relation to Moulin Rouge, but still sexy.

Source Venam

Leafy pattern 14 #1717
 Dark  CC 0

Derived from an image on Pixabay from Merio

Source Firkin

Stone Wall & Dark #1544
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 270 #2061
 Dark  CC 0

A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Mosaic tile #2481
 Brown  CC 0

From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.

Source Firkin

Floral divider 3 #1751
 Dark  CC 0

From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.

Source Firkin

Striped Fabric Pattern #998
 Stripes  CC BY-SA 3.0

A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.

Source V. Hartikainen

Tessellation 16 (colour 6) #2210
 Colorful  CC 0

The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i

Source Firkin