Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Black And White Floral Pattern Background Inverse
Source GDJ
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin