InVision offers realistic and responsive web & mobile mockups and prototypes.
Framer is a prototyping tool where designers can easily add simple code to static designs and create interactive prototypes.
Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
UXPin allows product teams and designers to build low and high-fidelity, interactive, realistic web and mobile wireframes and prototypes.
Proto.io is a web platform enabling users to create fully interactive mobile app prototypes.
Marvel is a free prototyping and collaboration tool that transforms static design files and mockups into interactive, sharable prototypes that look and feel real apps and websites.