A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa