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.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
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.
Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Infinity - Infinity is a fully flexible work management platform where you can organize all your work, your way.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.