Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
Dashboard UI Kit - A modern & responsive dashboard UI kit for designers.
Source Wireframe Kit - Library of 537 blocks for desktop and mobile prototyping
Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Platforma - Wireframe library of layouts and UI elements
Bots UI Kit - Fully customizable Sketch UI Kit for Messenger Platform