DBeaver - DBeaver - Universal Database Manager and SQL Client.
SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
Firebird Maestro - SQL Maestro Group vendors powerful database management and web development tools for MySQL, Oracle, SQL Server, DB2, SQL Anywhere, PostgreSQL, SQLite, Firebird and MaxDB.
PL/SQL Developer - PL/SQL Developer is an Integrated Development Environment that is specifically targeted at the...
FlameRobin - FlameRobin is a cross-platform, open-source database administration tool for Firebird DBMS.
SQuirreL SQL - SQuirreL SQL is an open-source Java SQL Client program for any JDBC compliant database