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.
Yac - Take your time back from Zoom & Slack
Slack - A messaging app for teams who see through the Earth!
Beseda - Async video and audio messaging for remote teams
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
SuperNormal - Async video updates for remote teams