A seamless web background with texture of aged grid paper.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
Psychedelic Geometric Background No Black
Source GDJ
Old China with a modern twist, take two.
Source Adam Charlts
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
A seamless background texture of old cardboard.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The base gradient edited so now more details are rendered.
Source Lazur URH
Prismatic Abstract Line Art Pattern Background
Source GDJ