Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
This one has rusty dark brown texture.
Source V. Hartikainen
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen