A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Prismatic Curved Diamond Pattern No Background
Source GDJ
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
You know you love wood patterns, so here’s one more.
Source Richard Tabor
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
8 by 8 pixels, and just what the title says.
Source pixilated
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin