Software

Open Patent Alliance (OPA)
10/07/2015

Promoted broader choice and competitive equipment and service costs for WiMAX technology, devices and applications *Dissolved in 2012

Open RF Association
5/12/2022

Develops a 5G ecosystem of functionally interoperable hardware and software across multi-Mode RF front end and chipset platforms.

Open Scalable File Systems, Inc. (OpenSFS)
10/16/2020

Promotes and develops the Lustre file system, an open source parallel distributed file system

Open Security Exchange (OSE)
10/14/2015

Promotes enterprise security management.

Open Skills Network
2/02/2024

Develops, promotes, and provides software to match people with skills-based education and career opportunities

Open Source And Industry Alliance (OSAIA)
10/14/2015

Promoted and advocated for the interests of the open source community *Inactive

Open Source Applications Foundation (OSAF)
10/14/2015

Promoted wide adoption of Open-Source application software.

Open Source Development Lab (OSDL)
10/14/2015

Developed data center and telco class enhancement open source Linux developers *Merged with The Free Standards Group in 2007 to form The Linux Foundation

Open Source Geospatial Foundation (OSGeo)
10/14/2015

Promotes and supports the collaborative development of open source geospatial software, and promotes its widespread use.

Open Source Initiative (OSI)
1/01/2019

Promotes and manages the Open Source definition and provides related licensing certification.