A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
There are many carbon patterns, but this one is tiny.
Source Designova
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
The original enhanced with one of Inkscapes's filters.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin