dbForge SQL Complete is an add-in for SQL Server Management Studio and Visual Studio that speeds up SQL code writing, offers context-based smart suggestions, performs automatic formatting, refactoring and a lot of other things that save your time and effort in the database development process.
DbSchema - DbSchema - Visual Database Design & Management Tool
DBeaver - DBeaver - Universal Database Manager and SQL Client.
ApexSQL Complete - ApexSQL Complete can automatically fill in SQL keywords, statements and identifiers.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
ApexSQL Doc - ApexSQL Doc creates database documentation in a variety of formats.
pgModeler - Open source data modeling tool designed for PostgreSQL. No more DDL commands written by hand. Let pgModeler do the job for you!