A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Continuing the geometric trend, here is one more.
Source Mike Warner
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Sharp but soft triangles in light shades of gray.
Source Pixeden
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Dark blue concrete wall with some small dust spots.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Groovy Concentric Background 5 No Black
Source GDJ