Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
The image is a design of blue glass.How about using it as background image?
Source Yamachem
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Seamless Green Tile Background
Source V. Hartikainen
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Black And White Floral Pattern Background Inverse
Source GDJ
Might not be super subtle, but quite original in its form.
Source Alex Smith
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin