This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Background formed from the original with an emboss effect
Source GDJ
Seamless SVG vector and JPG backgrounds with faded diagonal stripes. The colors are editable.
Source V. Hartikainen
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight