Bamboo Background Pattern #1330
 Green  CC BY-SA 3.0

This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).

Source V. Hartikainen

 More Textures
Background pattern 215 (colour 3) #2369
 Pink  CC 0

A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.

Source Firkin

Leafy pattern 9 #1802
 Green  CC 0

Remixed from an image that was uploaded to Pixabay by KirstenStar

Source Firkin

Noisy [email protected] #977
 Dark  CC BY-SA 3.0

Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.

Source Tom McArdle

Brick #1378
 Wall  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Light [email protected] #60
 Light  CC BY-SA 3.0

Light honeycomb pattern made up of the classic hexagon shape.

Source Federica Pelzel

Arabesque #683
 Diamond  CC BY-SA 3.0

Intricate pattern with Arab influences.

Source David Sanchez

White Well & Fissure #1701
 Wall  CC 0

Background Wall, Art Abstract, white Well & CC0 texture.

Source Ractapopulous

Dark Tile-able Grunge Texture #1123
 Grunge  CC BY-SA 3.0

Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.

Source V. Hartikainen

Seamless Light Background Texture #1023
 Stone  CC BY-SA 3.0

Seamless Light Background Texture.

Source V. Hartikainen

Vintage Speckles #653
 Wall  CC BY-SA 3.0

Lovely pattern with splattered vintage speckles.

Source David Pomfret

Block Well #1696
 Colorful  CC 0

Background Wall, Art Abstract, Block Well & CC0 texture.

Source Ractapopulous

Background pattern 246 (colour 3) #2184
 Green  CC 0

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

Source Firkin

Background pattern 7 (grey) #206
 Dark  CC 0

Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net

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

Prismatic Arrows Background [email protected] #801
 Light  CC 0

Prismatic Arrows Background 2

Source GDJ

Shapes decorative divider #1903
 Colorful  CC 0

Vector version of a png that was uploaded to Pixabay by pencilparker

Source Firkin

[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

Sandpaper #1177
 Paper  CC BY-SA 3.0

It is what it is, sandpaper.

Source Atle Mo

Stone Wall & Red #1507
 Red  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Japanese family crest called chidori 02 #2440
 Brown  CC 0

The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.

Source Yamachem

Light Paper Fibers #835
 Paper  CC BY-SA 3.0

More in the paper realm, this time with fibers.

Source Jorge Fuentes

Prismatic Curved Diamond Pattern 8 No [email protected] #550
 Dark  CC 0

Prismatic Curved Diamond Pattern 8 No Background

Source GDJ

Green Wall #1268
 Wall  CC 0

Zero CC bark from fur tree tileable texture, photographed and made by me. CC0

Source Sojan Janso

Prismatic Abstract Background [email protected] #791
 Noise  CC 0

Prismatic Abstract Background Design

Source GDJ

Handmade Paper #37
 Paper  CC BY-SA 3.0

White handmade paper pattern with small bumps.

Source Marquis