The Open Mainframe Project was founded in 2015, as a focal point for deployment and use of Linux and Open Source in a mainframe computing environment.

Open Source is the collective thread within leading organizations that look to leverage their technology infrastructure as a competitive advantage. The mainframe design principles of security, stability, scalability, and performance are important to these leading organizations, and having the mainframe interoperable in a hybrid infrastructure enables leading organizations to realizes it’s benefits. Open Mainframe Project believes this can only be achieved as a community through open source.


A thriving Open Source ecosystem and related flourishing project communities that together deliver value for the platform and the mainframe community, and that set the standard for modern, open, enterprise class systems, infrastructure and applications on the mainframe


To build an Open Source community and drive adoption of Open Source on the mainframe by…

Eliminating barriers to Open Source adoption on the mainframe

Demonstrating value of the mainframe on technical and business levels

Strengthening collaboration points and resources for the community to thrive

Identifying, accepting, and hosting purely open source projects that are consistent with and advance towards realizing this vision