The classic notebook paper with horizontal stripes.
Source Are Sundnes
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Sharp pixel pattern, just like the good old days.
Source Paridhi
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Prismatic Abstract Geometric Background 3
Source GDJ
Background formed from the original with an emboss effect.
Source Firkin
Abstract Tiled Background Extended 10
Source GDJ
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss