Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
Bloo Lo-fi Wireframe Kit - Open source wireframe kit for design and prototyping
Platforma - Wireframe library of layouts and UI elements
Craftwork - A collection of User Interface resources made by Craftwork
UX Flow Wireframe Prototyping System - Create beautiful user flows prototypes for your next project
Method Wireframe Kit - Find your method of being incredibly fast in prototyping.