Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
MarkBook - Collect, search and organize social content – seamlessly
Invision - Prototyping and collaboration for design teams
Timeline.io - Visual collaboration tools for devs, designers, and clients.
Sketch - Professional digital design for Mac.
Workgroups DaVinci - Project management and workflow automation software for marketing and creative teams.