Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Groovy Concentric Background 3
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Turn your site into a dragon with this great scale pattern.
Source Alex Parker