The 2025 Guide to the Best Free Oracle SQL Clients & Editors

Introduction

Oracle DBAs and developers often lean on heavy, paid IDEs like Toad or DataGrip. But if budgets are tight—or you just prefer open source—you can still snag a powerful Oracle SQL editor for exactly $0. Below are ten options that cover command‑line warriors, GUI aficionados, and lightweight VS Code extensions.

1. Oracle SQL Developer

• First released: March 2006 (v1.0)
• Creator/Owner: Oracle Corporation

Oracle SQL Developer remains the vendor‑blessed GUI for schema design, PL/SQL debugging, and migration to PostgreSQL or MySQL.

Pros

• 100 % free—even for production use.
• Integrated PL/SQL profiler and REST Data Services UI.

Cons

• Built on Java/Swing; UI feels dated.
• Requires JDK 17+; large memory footprint.

2. Oracle SQLcl

• First GA: December 2015
• Creator: Oracle Developer Tools Team

SQLcl is a drop‑in, modern replacement for sqlplus, boasting inline history, command completion, and Liquibase integration.

Pros

• Lightweight (~50 MB) with auto‑update CLI.
• Supports scripting in JavaScript, Python (via GraalVM).

Cons

• No GUI—pure terminal.
• Learning curve for JSON-formatted output.

3. DBeaver Community Edition

• Open‑sourced: 2011
• Creator: Serge Rider + community

DBeaver CE offers a robust Oracle driver with ER diagrams, data import/export, and SQL formatting.

Pros

• Cross‑platform (Windows, macOS, Linux) and dark mode.
• Extensible via Eclipse plug‑ins.

Cons

• Java‑based; high RAM on large result sets.
• Advanced features (AI chat) gated behind Ultimate.

4. SQuirreL SQL Client

• First released: 2001
• Creator: Colin Bell & open‑source community

SQuirreL’s Swing interface may scream retro, but its Oracle plugin handles PL/SQL, explain plans, and session stats.

Pros

• Pure open source, portable JAR (~20 MB).
• Plugin ecosystem for graph viz and bookmarks.

Cons

• UI looks 2000s; no dark theme.
• Autocomplete limited versus modern IDEs.

5. TOra (Toolkit for Oracle)

• First released: 2002 (GPL)
• Creator: Henrik Johnson; community‑maintained

TOra bundles session manager, explain plan, and PL/SQL debugger in a Qt GUI.

Pros

• Native packages for most Linux distros.
• Lightweight binary—snappy on older hardware.

Cons

• Windows builds lag behind Linux.
• UI translations incomplete.

6. VS Code + Oracle Developer Tools Extension

• Extension ID: oracle.oracledevtools
• Creator: Oracle

If you live in VS Code, the Oracle DevTools extension adds Database Explorer, SQL worksheet, and PL/SQL debugging.

Pros

• Seamless alongside application code.
• IntelliSense‑style completion for SQL & PL/SQL.

Cons

• Requires separate Oracle Instant Client.
• Some debugger features still “preview”.

7. DbVisualizer Free

• First released: 2003
• Creator: DbVis Software AB

The free tier of DbVisualizer supports basic query editing, table browsing, and explain plans for Oracle.

Pros

• Cross‑platform Java FX GUI; dark theme.
• Bookmark scripts and result export to Excel.

Cons

• Advanced features (schema compare) locked behind Pro.
• Occasional ad pop‑ups for upgrades.

8. Apache NetBeans + Oracle Plugin

• NetBeans 19 GA: March 2025
• Creator: Apache Software Foundation

NetBeans isn’t just a Java IDE—install the Oracle JDBC plugin and gain a basic SQL editor plus ER visualization.

Pros

• All‑in‑one IDE for Java + SQL; great for full‑stack devs.
• Free under Apache License 2.0.

Cons

• Heavy download (~400 MB).
• SQL tooling less polished than dedicated GUIs.

9. SQLTools for VS Code + Oracle Driver

• Extension ID: mtxr.sqltools
• Creator: Matheus Texeira & community

SQLTools is an agnostic VS Code extension supporting Oracle via community driver.

Pros

• Snippets, autofill, and query history inside VS Code.
• Works offline; no Oracle account needed.

Cons

• Manual TNS config can trip newcomers.
• No visual schema designer.

10. Oracle APEX SQL Workshop (Cloud / On‑Prem)

• APEX 24.1 released: April 2025
• Creator: Oracle APEX Team

APEX’s browser‑based SQL Workshop lets you run queries, build RESTful services, and explore tables inside any APEX workspace—free with Oracle DB XE or ATP.

Pros

• Zero desktop install—pure web.
• Integrated data loader and quick charts.

Cons

• Requires APEX schema; not a standalone client.
• No offline access.

Coming Soon: Galaxy for Oracle

Galaxy already delights MySQL and PostgreSQL users with AI‑powered autocompletion, Collections, and granular access control. Our roadmap includes Oracle Database support in 2025, bringing the same speed and context‑aware copilot to PL/SQL aficionados. Stay tuned—and join our waitlist to shape the beta!