Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Seamless Green Tile Background
Source V. Hartikainen
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A browner version of the original weathered fence texture.
Source Firkin
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Retro Circles Background 8 No Black
Source GDJ
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez