Lined [email protected] #363
 Stripes  CC BY-SA 3.0

The classic notebook paper with horizontal stripes.

Source Are Sundnes

 More Textures
Stone Granite #1292
 Stone  CC 0

ZeroCC tileabel stone granite texture, edited from pixabay. CC0

Source Sojan Janso

Background pattern 201 (colour 4) #2494
 Grid  CC 0

A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.

Source Firkin

Background pattern 255 (colour) #2141
 Brown  CC 0

Colour version of the original pattern.

Source Firkin

Cover Red #1282
 Red  CC 0

Zero CC tileable hard cover red book, scanned and made by me. CC0

Source Sojan Janso

Brushed Aluminum 6 #1394
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Tall plant #1818
 Dark  CC 0

From a drawing in 'The Christian Year', John Keble, 1880

Source Firkin

Decorative divider 232 #2148
 Dark  CC 0

From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.

Source Firkin

Plain & Walnut Flame #1357
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Colorful Floral Background No [email protected] #482
 Light  CC 0

Colorful Floral Background No Black

Source GDJ

Dark Brick Wall #135
 Wall  CC BY-SA 3.0

Black brick wall pattern. Brick your site up!

Source Alex Parker

Light [email protected] #696
 Grid  CC BY-SA 3.0

Submitted as a black pattern, I made it light and a few steps more subtle.

Source Andy

Zodiac sign symbol background #1927
 Red  CC 0

Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern

Source Firkin

Triangular ornament 32 #2435
 Dark  CC 0

Drawn in Paint.net using the kaleidoscope plug-in and vectorised.

Source Firkin

Dungeons & Flagons 10 #1426
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Wood [email protected] #371
 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

Background pattern 310 #1862
 Red  CC 0

Based on an image that was uploaded to Pixabay by devanath

Source Firkin

Patchwork Quilt Pattern Background #228
 Noise  CC 0

PDP

Source GDJ

Background pattern black and white #2030
 Dark  CC 0

A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.

Source Firkin

Washi #288
 Light  CC BY-SA 3.0

Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!

Source Carolynne

Zig-zag pattern 6 #2413
 Grid  CC 0

A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.

Source Firkin

Seamless Texture of Wood Planks #880
 Wood  CC BY-SA 3.0

Here's an yet another background for websites, with a seamless texture of wood planks this time.

Source V. Hartikainen

Background pattern 263 #2073
 Pink  CC 0

Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.

Source Firkin

Bedge Grunge #978
 Paper  CC BY-SA 3.0

A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.

Source Alex Tapein

Floral divider 6 #1748
 Dark  CC 0

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

Source Firkin

Floral design 87 #1886
 Dark  CC 0

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

Source Firkin

Texturetastic [email protected] #616
 Paper  CC BY-SA 3.0

This ladies and gentlemen, is texturetastic! Love it.

Source Adam Pickering

Foggy [email protected] #580
 Light  CC BY-SA 3.0

Hey, you never know when you’ll need a bird pattern, right?

Source Pete Fecteau

Gray [email protected] #756
 Gray  CC BY-SA 3.0

Floral patterns might not be the hottest thing right now, but you never know when you need it!

Source Lauren

HIXS [email protected] #610
 Dark  CC BY-SA 3.0

Heavy depth and shadows here, but might work well on some mobile apps.

Source Damian Rivas