Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Heavily remixed from a drawing in 'Barbara Leybourne; a story of eighty years ago', Sarah Hamer, 1889.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
Prismatic Geometric Pattern Background No Black
Source GDJ
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
This background image is great for using in web design or graphic design projects. And don't forget to visit the homepage. I frequently update this resource with fresh tileable backgrounds.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Prismatic Hexagonalist Pattern No Background
Source GDJ
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Abstract Tiled Background Extended 12
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin