Navicat (Oracle GUI)

Navicat Oracle tool is an intuitive GUI tool lets you create, edit databases, run SQL queries and connect to remote Oracle in an easier way.

Also, Navicat provides a number of tools allowing to perform all the necessary database operations such as creating, editing, and duplicating database objects. It also offers a well-described wizard system that simplifies your database development tasks. It supports Oracle 8i and later.
What's new in this version:
Version 11.2.7 is introducing a new feature -- Navicat Cloud Collaboration, a newly developed function for all new and existing users, allowing you to synchronize multiple devices altogether simultaneously. You can now switch from one device to another, creating connections with your desktop, bridging your connection settings, queries, models, and virtual groups information.