Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Prismatic Floral Background No Black
Source GDJ
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Retro Circles Background 4 No Black
Source GDJ
This one is amazing, truly original. Go use it!
Source Viahorizon
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
A cute x, if you need that sort of thing.
Source Juan Scrocchi
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH