Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Invision - Prototyping and collaboration for design teams
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Sketch - Professional digital design for Mac.
Slack - A messaging app for teams who see through the Earth!