Oracle9i Database R2 (by Oracle, Inc.)
Oracle9i Database is the state of the art in object-relational databases.

Oracle9i JDBC Driver 9.0.2 (by Oracle, Inc.)
Oracle9i JDBC Driver X contains the Oracle JDBC Drivers Developer's releas.

Oracle9i JDBC Driver 9.0.2 (by Oracle, Inc.)
Oracle9i JDBC Driver X contains the Oracle JDBC Drivers Developer's releas.

StelsCSV JDBC Driver 2.4 (by J-Stels Software)
StelsCSV is a JDBC driver that allows performing SQL statements and other JDBC operations upon text files (comma separated, tab-separated, fixed length etc).

Oracle9i Database R2 (by Oracle, Inc.)
Oracle9i Database is the state of the art in object-relational databases.

DbVisualizer 5.1.1 (by Minq Software AB)
DbVisualizer is a cross-platform database visualization and management tool which entirely relies on the JDBC, Java Database Connectivity APIs.

DeebeeX 1.1 (by abstracture IT-Beratung GmbH)
There don't seem to be many database viewers around for OSX that support Oracle.

SQLGrinder 2.0.4 (by Advenio, LLC)
SQLGrinder is a native Mac OS X SQL editor and developer tool.

iSQL-Viewer 2.1.8 (by Mark A. Kobold)
iSQL-Viewer is an open-source JDBC 2.

pearSQLizer 0.5.1 (by pearworks)
pearSQLizer is a little front end tool for JDBC-Accessible SQL-Databases like MySQL and Oracle.

Xsql 1.0.4 (by Marco Wilka)
Xsql is a small tool for Mac OS X to send SQL queries to a local or remote Postgresql or Oracle database server and to display and/or save the results.

Actual ODBC Driver for Oracle 2.2 (by Actual Technologies, LLC)
The Actual ODBC Driver for Oracle lets you use Microsoft Excel and FileMaker Pro to import data from your company's Oracle database.

Privileged Exec 1.0.1 (by Oak & Apple Productions)
Privileged Exec is an AppleScript framework that makes it extremely easy to create applications that run Unix commands as root, without prompting the user for an administrator password every time.

KnowledgeMiner X 5.3 (by Script Software)
KnowledgeMiner is a powerful, easy-to-use modeling and prediction tool designed to support the process of knowledge extraction from data on a highly automated level.

retainCounter 0.1 (by cocoa Sprachwerker)
This is sometimes useful if the developer wants to know the current count of an object before it is released.

FileMaker Pro Developer Updater X 6.0v4 (by FileMaker, Inc.)
FileMaker Developer 6 is the tool of choice for creating custom FileMaker solutions for deployment across workgroups, distribution as royalty-free runtime applications, or sharing on the Web.

Multi-DBServer 1.6 (by Colourfull Creations)
Multi-DBServer is a cost effective solution for the cost conscience business that wants to create a multi user product.