Rough Concrete Surface #1195
 Concrete  CC BY-SA 3.0

This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.

Source V. Hartikainen

 More Textures
Stone Wall & Yellow Glod #1586
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Squairy #1138
 Light  CC BY-SA 3.0

Super tiny dots and all sorts of great stuff.

Source Newbury

Video Game Website Background #1327
 Green  CC BY-SA 3.0

This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!

Source V. Hartikainen

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

[email protected] #62
 Dark  CC BY-SA 3.0

A beautiful dark padded pattern, like an old classic sofa.

Source Chris Baldie

White Bed Sheet #821
 Light  CC BY-SA 3.0

Nothing like a clean set of bed sheets, huh?

Source Badhon Ebrahim

Background pattern 66 #195
 Wall  CC 0

A background pattern drawn in Inkscape.

Source Firkin

Wavy background #2019
 Colorful  CC 0

CC0 and a seamless pattern from a tile drawn in Paint.net .

Source SliverKnight

Decorative divider 272 #1925
 Dark  CC 0

Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.

Source Firkin

"Rusted Metal", Grunge Background #1087
 Metal  CC BY-SA 3.0

A rusty grunge background for websites. Feel free to use it in your site's theme.

Source V. Hartikainen

Page ornament 41 #2092
 Dark  CC 0

Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.

Source Firkin

Dotnoise Light Grey #308
 Wall  CC BY-SA 3.0

Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!

Source Nikolalek

Background pattern 202 (colour 2) #2489
 Green  CC 0

Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i

Source Firkin

Leaded glass background (colour 2) #2053
 Pink  CC 0

Seamless pattern the tile.

Source Firkin

Translucent [email protected] #944
 Light  CC BY-SA 3.0

The file was named striped lens, but hey – Translucent Fibres works too.

Source Angelica

Satin [email protected] #1045
 Light  CC BY-SA 3.0

Super simple but very nice indeed. Gray with vertical stripes.

Source Merrin Macleod

Floral pattern 15 #1753
 Dark  CC 0

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

Source Firkin

Leafy pattern 4 #1915
 Green  CC 0

Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.

Source Firkin

Background pattern 259 (colour 4) #2131
 Green  CC 0

Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Egg [email protected] #862
 Light  CC BY-SA 3.0

It’s an egg, in the form of a pattern. This really is 2012.

Source Paul Phönixweiß

Soft Pad #613
 Fabric  CC BY-SA 3.0

Bumps, highlight and shadows – all good things.

Source Badhon Ebrahim

Fabric pattern 2 (colour 2) #2395
 Fabric  CC 0

Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Background cubic #238
 Dark  CC 0

Fondo en falsa perpectiva

Source Roshellin

Decorative divider 236 #2090
 Dark  CC 0

From a drawing in 'The Quiver of Love', Walter Crane, 1876

Source Firkin

Pine Bark #1276
 Wall  CC 0

Zero CC tileable pine bark texture, photographed and made by me. CC0

Source Sojan Janso

Brown Canvas, Web Texture #1171
 Fabric  CC BY-SA 3.0

A web texture of brown canvas. Will look great, when used in dark web designs.

Source V. Hartikainen

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

Dark Brown Timber Wall Texture #874
 Wood  CC BY-SA 3.0

A free seamless background texture of "timber wall" (colored in dark brown).

Source V. Hartikainen