Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Retro Circles Background 8 No Black
Source GDJ
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
This one needs to be used in small areas; you can see it repeat.
Source Luca
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers