In 2019, the Linux Foundation added the Joint Development Foundation (JDF) to its family of project communities to build upon its existing body of specification work. The addition of JDF to the Linux Foundation brought with it a unique but straightforward process that allows new projects to form quickly and collaborate under a standardized set of governance principles that ensure the resulting specification can be implemented with open source licenses.
Source: LXer – Going Beyond Source Code in 2021?: ?Joint Development Foundation and Open Standards Efforts