Tableplus!

MySQL Workbench is a unified visual tool for database architects, developers, and DBAs. MySQL Workbench provides data modeling, SQL development, and comprehensive administration tools for server configuration, user administration, and much more. MySQL Workbench is available on Windows, Linux and Mac OS.

phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Currently it can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields.

DBeaver - Universal Database Manager and SQL Client. DBeaver is free and open source (GPL) universal database tool for developers and database administrators.

HeidiSQL is a useful tool designed for web developers using the popular MySQL server, Microsoft SQL databases and PostgreSQL. It enables you to browse and edit data, create and edit tables, views, procedures, triggers and scheduled events. Also, you can export structure and data either to SQL file, clipboard or to other servers.

Sequel Pro is a fast, easy-to-use Mac database management application for working with MySQL databases.

Valentina Studio is a free multi-connection Database Administration tool that allows you to connect to SQL Server, PostgreSQL, Valentina Server and mySQL and work with local database files of Valentina DB and SQLite.

pgAdmin is the most popular and feature rich open source administration and development platform for PostgreSQL, the most advanced open source database in the world. The application may be used on Linux, FreeBSD, Solaris, Mac OSX and Windows platforms to manage PostgreSQL 7.3 and above running on any platform, as well as commercial and derived versions of PostgreSQL such as Postgres Plus Advanced Server and Greenplum database.

DataGrip is a database IDE from JetBrains that is tailored to suit specific needs of professional SQL developers and DBAs.

PostgreSQL is an absurdly powerful database, but there's no reason why using it should require an advanced degree in relational theory. Postico provides an easy to use interface, making Postgres more accessible for newcomers and specialists alike. Postico will look familiar to anyone who has used a Mac before. Just connect to a database and begin working with tables and views. Start with the basics and learn about advanced features of PostgreSQL as you go along.

Datazenit is a web-based database administration tool. Its abilities go beyond the standard tools of database management, and include data visualizations, an intelligent schema builder and many other features that ease and enhance database management. Datazenit is designed to make databases accessible, safe and easy to use.

PSequel provides a clean and simple interface for you to perform common PostgreSQL tasks quickly.