Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Makers.so - A website builder inside Figma.
UX Toolkit for Figma - Create beautiful user flow charts, sitemaps and wireframes
Floverview - Hybrid mapping for flow overviews
Landing UI Kit - Handcrafted UI components for landing pages
Figment - Figment helps you add website effects into your Figma designs such as videos, links, animations, and more.