Antares SQL

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Sequel Ace

A high quality, visual, open source database management tool for SQLite databases. With DB Browser for SQLite, users and developers can create, search, and edit databases. DB Browser for SQLite uses a familiar spreadsheet-like interface, and complicated SQL commands do not have to be learned.

Chrome MySQL Admin is a chrome-based tool that provides you with an administration GUI of MySQL server.

PopSQL is an collaborativ SQL editor for macOS, Linux and Windows. PopSQL is used by data analysts, product managers, customer success, operations, and anyone that wants to write SQL. As it allows them to write queries, visualize data, and share your results with their co-workers and team.

dbForge Studio for MySQL is a universal GUI tool for MySQL and MariaDB database development, management, and administration. 

pgModeler is an open source software for modeling PostgreSQL databases. It merges the classical concepts of modeling using entity-relationship diagrams with specific features that only PostgreSQL implements. With pgModeler you can create and edit database models easily with a simple and intuitive interface. pgModeler allows you to design your database once with dynamic code generation, and export to multiple versions of PostgreSQL ranging from 9.x to 13.x.

The software pgAdmin is the most popular free and open-source administration panel for PostgreSQL. With pgAdmin developers can manage their database and also use it as a tool that is part of the development process. The software is released under the PostgreSQL/Artistic licence and can be used on macOS, Linux, Unix and Windows to manage PostgreSQL 9.2 and above.