The Python Software Foundation is a 501(c)(3) nonprofit dedicated to advancing and promoting Python. The PSF supports and encourages Python events world-wide to advance its mission of growing the international community of Python programmers, and hosts the North American PyCon conference as its flagship annual event. As stated on the PSF’s web site:

The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers.