An IBM Open Source Project

Jump on board and work at lightspeed

Build cloud-native apps and microservices while running only what you need. Open Liberty is the most flexible server runtime available to JavaTM developers in this solar system. Here's why.

Launch a sample app

Open Liberty is fast and composable, but don’t take our word for it - try it out!

git clone
cd sample-getting-started
mvn clean package liberty:run-server

Open browser to: http://localhost:9080

Set course for the Open Liberty guides

Your sample app looks great - but what next?

All of the info you need to continue your journey is here, laid out in easy to follow steps and examples. Searching our current selection makes it easy to find the guide that will help make your next project a reality.

Two UFOs working together to adjust the ring of a planet

A crew that supports you

As a member of the Open Liberty crew, you have the support and expertise of an entire community at your fingertips. Don't forget to lean on them when you have questions!

And for times that you need an extra boost, check out Open Liberty Enterprise Support from IBM.

Mothership UFO

Get involved

Open Liberty thrives on users’ collaboration, contributions and creativity. We invite you to share your skills and ideas with users in this galaxy and beyond.


Open Liberty is blasting off… Keep up with us!

Stay in touch with the rest of the crew, and never miss an update by
following Open Liberty on Twitter.


Check out the Open Liberty blog for in-depth discussions about new
releases, general open source topics, upcoming events, etc.

Open Liberty blog