I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
A pale olive green background with a seamless texture.
Source V. Hartikainen
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-brown.
Source Yamachem
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin