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

See All Activity >

License

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

Follow DB Explorer

DB Explorer Web Site

Other Useful Business Software
$300 Free Credits to Build on Google Cloud Icon
$300 Free Credits to Build on Google Cloud

New customers can spin up VMs, build with AI, and query data at no cost.

Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
Start Free
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of DB Explorer!

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