Rational software

Green Hat. An IBM company. Learn more.

Why Rational software?

IBM Rational helps you transform how you design, develop and deliver both software and software embedded hardware (e.g. software in cars and phones), to create more innovative products and services, faster than your competition, with lower costs and reduced risk. Explore products by category or see the products A-Z list. Get Rational support.

What we offer

Rational software enables your business to:

Transform information technology

Deliver software at the speed of your business demands.

Optimize technology assets

Lower the total cost of multiplatform applications.

Deliver smart products

Build smarter, innovative, high quality systems and products.


Rational solutions for:

Business planning and alignment

Enable effective enterprise change by aligning business technology and operational execution to strategy.

Complex and embedded systems

Manage and develop complex products and systems.

Design, development and deployment

Design, implement and test software, applications, products, and systems.

Solutions by industry

Rational software has a solution to support your business sector.

Application lifecycle management

Manage the flow of people, process and information across the software and systems delivery lifecycle.

Security and compliance management

Secure applications, protect data and meet regulatory and corporate compliance requirements for applications and web sites.

Enterprise modernization

Optimize the value of your applications, people, teams and infrastructure investments

Small and midsized business

Ensure software and systems delivery success for small and midsized businesses.


Agility@scale

Get the facts and see what distinguishes IBM Rational agile development solutions.

Insight from experts

Listen to the latest Rational podcasts, watch videos, webcasts and more.

Try the Rational cloud

Lower costs and improve flexibility with cloud-based solutions from IBM Rational.


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