Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Zero CC Mossy stone tileable texture, photographed and made by me. CC0
Source Sojan Janso
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
A free background pattern with abstract green tiles.
Source V. Hartikainen
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Prismatic Groovy Concentric Background
Source GDJ
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin