
Patternizer
Patterninja
SVG Stripe Generator
SVGeez
PatternPad
Pattern Monster
Plain pattern
Doodad.dev's Pattern Generator
Diode
Computer Museum
Flux
Autodesk Fusion 360
Appetize
RedReader
EasyCircuit
Experimenters Circuit
Patterninja - Create patterns online
Computer Museum - Online computer simulator.
SVG Stripe Generator - SVG Stripe Generator is an easy-to-use tool that enables you to create unlimited stripes and then download them to the device.
Flux - Application Architecture for Building User Interfaces
SVGeez - SVGeez is a platform that offers many CSS SVG backgrounds and lets you customize and download them for free.
Autodesk Fusion 360 - Integrated CAD, CAM, and CAE featuring collaborative editing and cloud-based computation.