The classic notebook paper with horizontal stripes.
Source Are Sundnes
"Beige Stone", Tileable Texture.
Source V. Hartikainen
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Almost like little fish shells, or dragon skin.
Source Graphiste
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
One week and it's Easter already. Thought I would revisit the decorated egg contest at inkscape community: http://forum.inkscapecommunity.com/index.php?topic=118.0
Source Lazur URH
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ