DBeaver - Universal Database Manager and SQL Client. DBeaver is free and open source 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.
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.
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.
DataGrip is a database IDE from JetBrains that is tailored to suit specific needs of professional SQL developers.
DataGrip vs Sequeler opinions
I've beeen a developer for many years and never experienced a better database manager than this one. I'ts truly amazing. Give it a try and you'll love it. It has compatibility with more than 20 databases sql and non-sql. All in the same package. The only downside the price, but believe me it's worth it.
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.
Adminer (formerly phpMinAdmin) is a full-featured database management tool written in PHP. Conversely to phpMyAdmin, it consist of a single file ready to deploy to the target server. Adminer is available for MySQL, PostgreSQL, SQLite, MS SQL and Oracle
Navicat is a database administration tool that allows you to simultaneously connect to MySQL, MariaDB, SQL Server, Oracle, PostgreSQL, and SQLite databases from a single application.
DbGate is cross-platform database manager. Simple and effective, allowing to work with many various databases simultaneously - SQL and NoSQL.