NumFOCUS is a 501(c)(3) nonprofit that supports and promotes world-class, innovative, open source scientific computing.

NumFOCUS promotes and supports the ongoing research and development of open-source computing tools. Open Code, Better Science.

The mission of NumFOCUS is to promote sustainable high-level programming languages, open code development, and reproducible scientific research. They accomplish this mission through the educational programs and events as well as through fiscal sponsorship of open source scientific computing projects. They aim to increase collaboration and communication within the data science and scientific computing community.