Seamless Light Background Texture.
Source V. Hartikainen
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
White handmade paper pattern with small bumps.
Source Marquis
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Original seamless pattern with an Inkscape filter.
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo