Oracle SQL Developer 1.1 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. Oracle SQL Developer for Mac is included in Developer Tools.
From the developer:
Oracle SQL Developer is a graphical tool that enhances productivity and simplifies database development tasks. With SQL Developer, you can browse database objects, run SQL statements and SQL scripts, and edit and debug PL/SQL statements. You can also run any number of provided reports, as well as create and save your own.
You may want to check out more software for Mac, such as InsightDev for Oracle, SQLDeveloper or Navicat for Oracle, which might be related to Oracle SQL Developer.
Database Tools
Database Tools