Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
A free pink background pattern.
Source V. Hartikainen
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
An alternative colour scheme to the original seamless pattern.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen