Background formed from the original with an emboss effect
Source GDJ
Spice up your next school project with this icon background.
Source Swetha
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall