UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Whimsical Wireframes - Lightning fast wireframing with real-time collaboration.
Auto-Layout for Sketch - Responsive design for Sketch
Userflows - Automatically generate user journeys
Figma Auto Layout - Design more, resize less
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.