https://www.oracle.com/database/technologies/sw-rdb-related-products.html
Oracle Rdb Software Download Index
Master index of software downloads for Oracle Rdb and related products
oracle rdbsoftware downloadindex
https://www.spectralcore.com/databases/rdb
Oracle RDB: Supported database engine - Spectral Core
Oracle RDB is natively supported by Spectral Core tools. Migrate, translate, and replicate Oracle RDB data and code with Full Convert, Omni Loader, and SQL...
oracle rdbdatabase enginespectral coresupported
https://migration.vmssoftware.com/rdb
Migration from Oracle Rdb Made Simple
oracle rdbmade simplemigration