Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Prismatic Geometric Pattern Background No Black
Source GDJ
Classic vertical lines, in all its subtlety.
Source Cody L
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Alternative colour scheme to the original.
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
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
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen