Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
This is a hot one. Small, sharp and unique.
Source GraphicsWall
A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Abstract Tiled Background Extended 12
Source GDJ
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green