From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Geometric Pattern Background
Source GDJ
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Prismatic Groovy Concentric Background
Source GDJ
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
A seamless web texture of "green stone".
Source V. Hartikainen
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin