Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
Prismatic Groovy Concentric Background
Source GDJ
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Dark blue concrete wall with some small dust spots.
Source Atle Mo
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen