A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Element of beach pattern with background.
Source Rones
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
A background pattern with wavy green vertical stripes. This one has green stripes on a white background. Download if you like it.
Source V. Hartikainen
This one is amazing, truly original. Go use it!
Source Viahorizon
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
This background has abstract texture with some similarities to wood.
Source V. Hartikainen