A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
A free background tile with a pattern of pink bump dots. This background tile is sweet! Moreover, it's designed for use as website backgrounds.
Source V. Hartikainen
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Spice up your next school project with this icon background.
Source Swetha
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Sharp but soft triangles in light shades of gray.
Source Pixeden
This one is amazing, truly original. Go use it!
Source Viahorizon
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen