Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Lovely pattern with splattered vintage speckles.
Source David Pomfret
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
Colorful Floral Background No Black
Source GDJ