Freely access and modify open-source software

Open source is a development approach that makes source code publicly available. You can see how the software was designed. And you can modify and redistribute it as part of your own program, without paying a licensing fee.

Read the Lustratus Research Ltd. report, Open-driven innovation—the IBM view, to learn more about the benefits of open source.

Open-source software

Why open source?

Open source enables a wide exchange of ideas to foster technological innovation. That’s a win for developers and IT managers.


Build applications faster by accessing testing and development tools at no charge.

IT managers

Reduce costs and improve interoperability across vendors.

Drive innovation and open standards with IBM’s “open-source-plus” approach.

What is open source?
IT managers

Download IBM tools and offerings at no extra charge.

IBM MQ Light

Build simple yet powerful messaging applications. Make them responsive and able to scale with demand.

IBM WebSphere Liberty

Create and deploy more powerful applications with a simple XML configuration and faster startup times.

IBM Integration Bus

Use IBM’s enterprise service bus (ESB) solution to help eliminate point-to-point connections and batch processing.

Learn more about the benefits of IBM’s open-source-plus approach.


Discover the potential financial benefit of deploying IBM MQ for message-based connectivity.

IBM WebSphere Liberty

How does IBM WebSphere outperform Red Hat JBoss?

IBM Integration Bus

Let Forrester Consulting help you evaluate the total economic impact of IBM Integration Bus.