It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Abstract Ellipses Background Grayscale
Source GDJ
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Prismatic Geometric Pattern Background
Source GDJ
Light and tiny, just the way you like it.
Source Rohit Arun Rao
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green