Airtable is a cloud based hybrid of spreadsheets and databases

Airtable is a cloud database that allows users to design databases in a spreadsheet-like format.  It allows collaboration with multiple users and can be accessed from MacOS, Windows, iOS, and Android devicesMultiple templates are available to download including calendars, project management, etc.

Airtable can be accessed for free for databases smaller than 1200 records.   Paid versions with additional features are also available.