From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
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
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
Prismatic Groovy Concentric Background 2
Source GDJ
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
Retro Circles Background 4 No Black
Source GDJ
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner