Same classic 45-degree pattern, dark version.
Source Luke McDonald
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
A browner version of the original weathered fence texture.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Seamless Light Background Texture.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A free background pattern with abstract green tiles.
Source V. Hartikainen