dbForge Studio for Oracle Express is a free software that provides basic functionality for working with schema objects, user accounts, SQL scripts, and queries.
This software is not reviewed yet.
Devart ODBC Driver for Firebird provides high-performance and feature-rich connectivity solution for ODBC-based applications to access Firebird databases from Windows, Linux, MacOS, both 32-bit and 64-bit.
dotConnect for SQLite Standard Edition is a free of charge database connectivity solution built over ADO.NET architecture. It offers basic functionality for developing database-related applications, web sites.
SDAC is a VCL/VCL.NET/CLX component library for fast direct access to SQL Server from Delphi and C++Builder. Supports all SQL Server data types and functionality, including MARS, bulk copy operations and reliable messaging.
dbExpress is database-independent layer that defines common interface for fast access to MySQL database from Delphi. It provides high performance database connectivity and is easy to deploy. It can work using native network protocol or MySQL client
Tool for quick creation of queries to SQL Server databases and extended data management. The main component of Query Builder is a visual diagram where you can "draw" your query.