Background pattern 225 (colour 3) #2325
 Pink  CC 0

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

Source Firkin

 More Textures
Cells #1285
 Paper  CC 0

Zero CC tileable hard cover cells, skin like, book texture. 4K, Scanned and made by me CC0

Source Sojan Janso

Tessellation 15 #2223
 Dark  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

Background pattern 24 #198
 Dark  CC 0

The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.

Source Firkin

Colourful bricks pattern (no background) #265
 Noise  CC 0

Original minus the background

Source Firkin

Leather 1 #13
 Light  CC BY-SA 3.0

A leather pattern with a hint of yellow.

Source Atle Mo

Decorative divider 205 #2381
 Dark  CC 0

Derived from a corner decoration itself found as a jpg on Pixabay.

Source Firkin

Background pattern #2000
 Dark  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

Wall #1239
 Stone  CC 0

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

Source Sojan Janso

MBossed #193
 Grid  CC BY-SA 3.0

Embossed lines and squares with subtle highlights.

Source Alex Parker

Psychedelic #745
 Gray  CC BY-SA 3.0

Geometric triangles seem to be quite hot these days.

Source Pixeden

Boiler Plate Rust #1644
 Metal  CC 0

Metal-Processed. CC0 License.

Source Unknow

Winding Stripes Background Pattern #1164
 Fabric  CC BY-SA 3.0

A dark brown fabric-like background texture with seamless pattern of winding stripes.

Source V. Hartikainen

Background pattern 263 (colour 2) #2072
 Leather  CC 0

Alternative colour scheme.

Source Firkin

White [email protected] #1184
 Wall  CC BY-SA 3.0

Brushed aluminum, in a bright gray version. Lovely 2X as well.

Source Andre Schouten

Vintage Clay Tile 6 #1463
 Unknow  CC 0

Gamedev - Roofs Textures. CC0 License.

Source Davit Masia

[email protected] #973
 Light  CC BY-SA 3.0

Super detailed 16×16 tile that forms a beautiful pattern of straws.

Source Pavel

Square frame 3 #2354
 Dark  CC 0

Formed in Paint.net and vectorised in Vector Magic.

Source Firkin

Decorative divider 199 #2436
 Dark  CC 0

From a drawing in 'Jardyne's Wife', Charles Wills, 1891.

Source Firkin

Green Dust & Scratches #107
 Wall  CC BY-SA 3.0

Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.

Source Atle Mo

Decorative divider 276 #1916
 Dark  CC 0

From a drawing in 'Poems', James Smith, 1881.

Source Firkin

Part of Bayeux Tapestry 3 #2448
 Noise  CC 0

From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.

Source Firkin

Retro Squares Background 8 #398
 Noise  CC 0

Retro Squares Background 8

Source GDJ

Background pattern 235 #2255
 Yellow  CC 0

To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Ribbon pattern 2 (version 2, colour 2) #2038
 Colorful  CC 0

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

Source Firkin

Ribbon pattern 2 (version 2, colour 6) #2034
 Pink  CC 0

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

Source Firkin

Medic Packaging [email protected] #377
 Light  CC BY-SA 3.0

8 by 8 pixels, and just what the title says.

Source pixilated

Kaleidoscope Prismatic Abstract No Background #387
 Noise  CC 0

Kaleidoscope Prismatic Abstract No Background

Source GDJ

Tessellation 15 (colour 2) #2221
 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

Grey Washed Wall #1128
 Wall  CC BY-SA 3.0

This is a semi-dark pattern, sort of linen-y.

Source Sagive SEO