PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
DBConvert Studio - Database migration/ sync software for data conversion and replication.
Amazon Aurora - MySQL and PostgreSQL-compatible relational database built for the cloud. Performance and availability of commercial-grade databases at 1/10th the cost.
Intelligent Converters MSSQL-MySQL Sync - MSSQL-MySQL Sync is a program to synchronize data between MS SQL or Azure SQL and MySQL databases.
Amazon RDS - Easy to manage relational databases optimized for total cost of ownership.
ESF Database Migration Toolkit - ESF Database Migration Toolkit enables transfer of data between various database formats without writing any scripts.