SimpleLayoutEngine

A simplistic layout engine

Read this: Introducing Simple Layout Engine

Objective-C version

There's also an Objective-C version which isn't updated as frequently

https://github.com/chunkyguy/SimpleLayoutEngine-objc Read this: whackylabs.com/objc/ui/2020/09/15/simple-manual-layout/

Screenshots

iPad Pro

Mac

iPod Touch

iPhone 11 Pro Max