DBU.NET is a low-cost, feature-rich database query/administration
utility for Oracle DBAs and developers, designed specifically for the
..NET platform. Some features are listed below:

- Built on .NET Framework 1.1 (100% C#)
- Supports native access to Oracle database through either Oracle or
Microsoft provided native drivers
- Rich Windows GUI; MDI interface supports multiple tool windows with
same or multiple database connections
- SQL Worksheet with PL/SQL syntax highlighting and tabbed result
windows in grid, explain-plan, object explorer (describe), and other
formats
- Data grid supports unlimited number of rows; data can be exported to
multiple formats (CSV, HTML, XML, SQL*Loader, SQL*Plus, etc.)
- Tree-based Database Explorer with list/preview panes and unlimited
drill-down--view all Schema, Security, Storage and Instance related
objects
- Database Search schema objects and segments; search for objects by
name, type, date, size and status
- Automatically detects DBA / non-DBA users and optimizes SQL for both
- Low cost (under $100 per user)

You can find DBU.NET at http://www.sydlow.com!