Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Bright Multicolored Floral Background by Karen Arnold from PDP.
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
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Prismatic Chevrons Pattern 5 With Background
Source GDJ
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-brown.
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin