Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Prismatic Hexagonalist Pattern No Background
Source GDJ
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso