Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A seamless paper background texture colored in pale yellow. This seamless texture is ideal for those who need a yellow background image for their website. The texture resembles paper.
Source V. Hartikainen
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Alternative colour scheme to the original.
Source Firkin
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
A version without colours blended together to give a different look.
Source Firkin
Classic 45-degree pattern, light version.
Source Luke McDonald
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
White handmade paper pattern with small bumps.
Source Marquis