From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
This one needs to be used in small areas; you can see it repeat.
Source Luca
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Hypnotic Pattern No Background
Source GDJ
A black tile-able background with paper-like texture.
Source V. Hartikainen
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ