There are six classes of members: Basic Members, Supporting Members, Sponsor Members, Managing Members, Contributing Members and Fellows.

1. Basic members

   Basic members are individuals or entities who are part of the Python language community and who have decided to declare their support for Python and agree to the community Code of Conduct. You can sign up as a basic member right here on the site. You must create a python.org account to join as a PSF Basic Member.

2. Supporting members

   Supporting members make an annual donation to the PSF to sustain the Foundation and support the Python community. You can sign up as a supporting member here.

3. Managing members

   Managing members are people who dedicate at least five hours per month working to support the Python ecosystem in one of the PSF's working groups - by helping organize, manage, run infrastructure, etc. For details on signing up as a managing member, refer to this post on the PSF blog.

4. Contributing members

   Contributing members are people who dedicate at least five hours per month working on projects that advance the mission of the PSF, where the work relates to the creation or maintenance of open source software available to the public at no charge. For details on signing up as a contributing member, refer to this post on the PSF blog.

5. Fellows

   Fellows are members who have been nominated for their extraordinary efforts and impact upon Python, the community, and the broader Python ecosystem. Fellows are nominated from the broader community and elevated by a vote of the members. More info on the nomination process is available here.