Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Psychedelic Geometric Background No Black
Source GDJ
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen