Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Eagle App - Unify your creative inspiration in one place. Store anything – inspiring images, design mockups, illustrations, screenshots and more.
Sketch - Professional digital design for Mac.
Pixave - The ultimate image organizer for the Mac.
Invision - Prototyping and collaboration for design teams
Ego - Ego gives you one central—and lovely—location to check web statistics that matter to you.