这是业界领先的嵌入式、实时系统开发，及高可靠性和安全性关键型软件开发的解决方案，可以改善您在嵌入式和系统开发方面的生产力，可以满足从生命周期当中的需求捕捉到实现和开发的全程需要。 对于系统工程师，Rational Rhapsody Architect for Systems Engineersbase edition 带来了采用 SysML/UML 的需求分析管理功能，包括了可用于商业案例的 Parametric Constraint Evaluation 模块。Rational Rhapsody Designer for Systems Engineers 还包括了设计验证模拟功能。 对于软件开发人员，Rational Rhapsody Architect for Software base edition 提供了逆向工程和支持 C、C++、Java 和 C# 的代码框架生成功能。Rational Rhapsody Developer 可以实现基于统一建模语言（UML®）和系统建模语言（SysML）的模型驱动系统开发（MDSD），并提供支持完整的 C、C++、Ada 和 Java™ 开发语言的主机和目标模拟环境，包括面向实时操作系统或资源受限目标（如微控制器）的行为图的代码生成。

IBM® Rational® RequisitePro® is a requirements and use case management tool for project teams who want to improve the communication of project goals, enhance collaborative development, reduce project risk and increase the quality of applications before deployment.

IBM Rational® PurifyPlus™, a dynamic software analysis toolset designed to help developers write faster, more reliable code.

了解 IBM® Rational® Performance Tester，该产品是一个性能测试（压力测试）工具，可以识别系统的性能瓶颈及其成因。Rational Performance Tester 中组合了多种易用且细致的特性，简化了测试的创建、加载的生成和数据收集过程，可以帮助测试团队确保应用的能力能够满足用户生产环境的实际负荷。

IBM® Rational® Modeler is a free, UML® 2.1 based environment for specifying systems, software, and architecture. Created by one of UML\'s founders and a key UML specification author, Rational Modeler enables users to improve communication by specifying, visualizing and documenting their system, architecture and software designs using a standard graphical language.

Learn about IBM® Rational® Method Composer, a flexible process management platform with the industry’s most comprehensive tooling and richest process library to help companies implement effective processes for successful software and IT projects.

With IBM® Rational® Host Access Transformation Services (HATS), you can create Web, portal, mobile, and rich client applications that provide an easy-to-use graphical user interface (GUI) for your character-based 3270 and 5250 host applications. You can also use HATS to create Service Oriented Architecture (SOA) assets from logic contained in your character-based 3270, 5250, or VT host applications.

学习和了解 Rational Functional Tester，这是一个面向质量保证（QA）团队的自动化功能测试和回归测试解决方案，可用于检验基于 Java™、Web、Microsoft® Visual Studio .NET®、终端应用、SAP、Siebel 及 Web 2.0 应用的质量。

IBM® Rational® Business Developer is designed to meet the needs of business developers, providing a simplified, highly productive, and comprehensive development environment for the EGL language. It includes tools to develop, test, and debug EGL applications and services that can be generated as Java™ or COBOL and deployed to various application servers, such as WebSphere Application Server, and enterprise environments on System z and Power Systems. EGL also simplifies development of open standards-based Web 2.0 style applications, thus providing a common language across both client and server.

IBM® Rational® Asset Analyzer reduces time and effort required to analyze applications for business changes, and improves disaster recovery. Rational Asset Analyzer helps you see information and metrics related to software and application architecture artifacts. With Asset Analyzer, you can do sophisticated change impact analysis.