ODBC Drivers: Certified ODBC drivers are tested for compatibility with the ODBC standard and various database systems. Examples include the Microsoft ODBC Driver for SQL Server and the MySQL ODBC Connector. 

JDBC Drivers: Certified JDBC drivers ensure compatibility with the JDBC API and various Java-based applications. Examples include the Oracle JDBC Driver and the PostgreSQL JDBC Driver. 

SQLAlchemy Dialects: In SQLAlchemy, different database backends are supported through “dialects.” Certified or officially supported dialects ensure compatibility and performance with specific databases, such as the SQLAlchemy PostgreSQL dialect. 

.NET Data Providers: Certified .NET data providers ensure that applications using the .NET framework can reliably interact with databases. Examples include the .NET Data Provider for SQL Server and the .NET Data Provider for Oracle.