FairCom RTG modernizes COBOL and Btrieve applications by seamlessly replacing their native file systems with FairCom's advanced database engine, enhancing reliability, scalability, and performance without altering existing code. It enables real-time read/write access to live data through modern APIs, including JSON and SQL, facilitating business analytics and reporting without additional coding. With features like hot backups, automatic recovery, and ACID-compliant transactions, data integrity and uptime are significantly improved. FairCom RTG supports vertical scaling to thousands of users and horizontal scaling through replication for reporting, failover, and availability. The latest version introduces a JSON DB API, allowing simple JSON commands to manage COBOL data, and Hot Alter Table functionality for immediate schema modifications without rewriting records.