Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Colorful Floral Background 3 No Black
Source GDJ
Abstract Tiled Background Extended 6
Source GDJ
A white version of the very popular linen pattern.
Source Ant Ekşiler
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman