The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Prismatic Floral Background No Black
Source GDJ
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Looks like an old rug or a computer chip.
Source Patutin Sergey
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien