SwisSQL - Data Migration Edition

SwisSQL - Data Migration Edition screenshots

Helps the migration and transfer of database schemas
SwisSQL - Data Migration Edition 5.7 : Starting the migration

Alternative downloads

Microsoft SQL Server Migration Assistant for Oracle
It automates the migration from Oracle database to SQL Server and Azure SQL DB.
DBConvert for MySQL & PostgreSQL
DBConvert for MySQL & PostgreSQL is a database converter and sync solution.
ESF Database Migration Toolkit
It enables you to transfer data between various database formats.