Including browser, PL/SQL editor, and debugger for Linux or Windows. By Underscore AB. [Open source and commercial versions]

A light weight and robust tool for Oracle database development. It includes a text editor, SQL console and utilities. [Freeware]

Allows the user to tidy and format PL-SQL code in a batch file or DOS prompt. [Freeware]

Single product that includes editor, and debugger. By Allround Automations. [Commercial]

Includes various PL/SQL code generators in "Designer" component, also PL/SQL Procedure Builder [Commercial]

PL/SQL trace tool, table exporter, session manager, shared pool profiler, and other tools. [Commercial]

Generic tool for logging, benchmarking, and monitoring custom PL/SQL code, inspired by "log4j" [Open source, GPL]

Oracle-related products include a developer's environment known as Hora, and a PL/SQL debugger. [Commercial]

A tool that enables users of an Oracle database to easily create and optimize their SQL code for application development, administration, or ad-hoc reporting. [Commercial]

Oracle to Java edition helps convert Oracle PL/SQL procedures to Java. By Vembu Technologies. [Commercial]