The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
An alternative colour scheme to the original seamless pattern.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
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
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Alternative colour scheme for the original floral pattern.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
Prismatic Abstract Geometric Background 5
Source GDJ
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Prismatic Curved Diamond Pattern No Background
Source GDJ
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.