Apple iWork - iWork is an office suite by Apple.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
OnlyOffice Docs - OnlyOffice Docs is an effective document creation and editing platform that provides you the options to create any kind of document with the collaboration of your team from any remote location.
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.
Airborn - Create and edit documents online without sacrificing your privacy
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.