A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Abstract Tiled Background Extended 12
Source GDJ
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A free background tile with a pattern of pink bump dots. This background tile is sweet! Moreover, it's designed for use as website backgrounds.
Source V. Hartikainen
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Classic 45-degree pattern, light version.
Source Luke McDonald
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
The classic notebook paper with horizontal stripes.
Source Are Sundnes
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Prismatic Curved Diamond Pattern No Background
Source GDJ