Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Datahike - A durable datalog database adaptable for distribution.
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.
PlanetScale - The last database you'll ever need. Go from idea to IPO.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.
Matisse - Matisse is a post-relational SQL database.