The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Sharp pixel pattern, just like the good old days.
Source Paridhi
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Neat little photography icon pattern.
Source Hossam Elbialy
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Prismatic Groovy Concentric Background
Source GDJ
This is the remix of "blue wave-seigaiha".This is the flowers of pink silk tree which is called "nemuno-ki".About pink silk tree ,refer to here:https://jp.pinterest.com/pin/500744052301210439/
Source Yamachem
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin