MontageJS - MontageJS framework is a platform to develop and create single page applications (which load single HTML page and dynamically update the app as the user puts in inputs or requests or interacts with the page.) with ease.
Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
Platforma for iOS - The ultimate wireframe kit for app prototyping
Platforma - Wireframe library of layouts and UI elements
Craftwork - A collection of User Interface resources made by Craftwork
Method Wireframe Kit - Find your method of being incredibly fast in prototyping.