Seamless Light Background Texture.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
A seamless background of warped stripes on paper.
Source V. Hartikainen
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
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
Prismatic Polka Dots 3 No Background
Source GDJ
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Black brick wall pattern. Brick your site up!
Source Alex Parker
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen