This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
This is a remix of "geometrical pattern 01".
Source Yamachem
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns