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.
Anima App - Design, get feedback, convert to code, publish, iterate.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Loom - Loom is a screen recording extension for Chrome that gives people the ability to create and share media. Create your own videos using your camera, screen view, and audio. Read more about Loom.
Slack - A messaging app for teams who see through the Earth!
Marvel for Sketch - Sync, play and record prototypes in Sketch!