Justinmind - Define awesome experiences through wireframes & prototypes.
Miro - Scalable, secure, cross-device and enterprise-ready team collaboration tool for distributed teams. Join 2M+ users & 8000+ teams from around the world.
Live Sketchpad - Live collaboration app
Ziflow - Online Proofing software from Ziflow keeps teams connected and collaborating by providing a single source of truth for creative review and approval.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Quire - A project management software for teams who dare to dream differently.