Rational Host Access Transformation Services
With HATS, you can extend your 3270 and 5250 host applications to the Web, to a portlet, to a rich client, or to browsers on mobile devices quickly, easily, and with low risk.

Rational Host Integration Solution
Rational Host Integration Solution extends mission-critical terminal applications to the Web, independent of the host system.
This product contains HATS, Host On-Demand, and Personal Communications.

Rational Developer for i for SOA Construction
IBM Rational Developer for i for SOA Construction V7.5 enables you to build innovative rich Web 2.0 applications, and user interfaces (UI), so you can link to the backend RPG, COBOL, and Enterprise Generation Language (EGL) business applications.
This product contains Rational Business Developer V7.5.1, Rational Developer for i and HATS.

Rational Developer for System z
Accelerates the development of your Web applications, traditional COBOL and PL/I applications, Web services and XML-based interfaces.
This product contains HATS.