Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Landing UI Kit - Handcrafted UI components for landing pages
Placeit - Generate realistic product shots in seconds
UX Toolkit for Figma - Create beautiful user flow charts, sitemaps and wireframes
Mediamodifier - Create beautiful designs and product mockups in seconds.