DB Explorer is a free, cross-platform database query tool and schema explorer built for developers, DBAs, and data analysts. It provides a clean graphical interface for connecting to multiple database systems, writing and executing SQL, exploring schemas, monitoring database health, and generating SQL queries using AI — all from a single application.

Supported Databases: PostgreSQL, MySQL, MariaDB, SQL Server, Oracle, SQLite, Amazon DynamoDB, and any JDBC-compatible database.

Features

  • Core Features: Query execution, schema exploration, pagination, exports, connection health monitoring
  • User Experience: Multi-theme GUI, color-coded status messages, confirmation dialogs, keyboard shortcuts
  • Database Features: Support for 8+ database types, metadata viewing, relationship visualization
  • Performance & Reliability: Lazy loading, configurable limits, connection pooling, memory management
  • Supported Databases: PostgreSQL, MySQL, SQL Server, Oracle, SQLite, DynamoDB, and JDBC-compatible databases
  • Administrative Features: Health dashboards, statistics viewing, configuration management
  • AI SQL Generator Assistance: Generate SQL query as per selected context and instructions given in natural language
  • Schema diagram / ERD export as PNG image or Mermaid markup

Project Samples

Project Activity

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License

Apache License V2.0, GNU General Public License version 3.0 (GPLv3), GNU Library or Lesser General Public License version 3.0 (LGPLv3)

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Intended Audience

Advanced End Users, Architects, Developers, Other Audience, Quality Engineers, Testers

User Interface

Java Swing

Programming Language

Java, PL/SQL

Related Categories

PL/SQL Front-Ends, PL/SQL SQL Clients, PL/SQL Database Clients, Java Front-Ends, Java SQL Clients, Java Database Clients

Registered

2026-03-22