First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
You may use it as is, or modify it as you like.
Source V. Hartikainen
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
A bit of scratched up grayness. Always good.
Source Dmitry
To get the tile this is based on select the rectangle in Inkscape and use 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
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective