A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A classic dark tile for a bit of vintage darkness.
Source Listvetra
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
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
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
This is a hot one. Small, sharp and unique.
Source GraphicsWall
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
White handmade paper pattern with small bumps.
Source Marquis
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Prismatic Polyskelion Pattern No Background
Source GDJ