Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
QuickBase - Quickbase provides a no-code operational agility platform that enables organizations to improve operations through real time insights and automation across complex processes and disparate systems.
DataGrip - Tool for SQL and databases
Ninox - Ninox is a human-friendly database. Create your own Business Application with Ninox that matches your workflow. Ninox lets you integrate CRM, ERP, HR and many more...
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.