Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
An alternative colour scheme to the original seamless pattern.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Prismatic Polyskelion Pattern No Background
Source GDJ
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Formed by distorting a JPG from PublicDomainPictures
Source Firkin