Mailing Lists
users@racket-lang.org
A discussion list for all things related to Racket. Ask your questions here!
[list page, gmane mirror, mail-archive, google group mirror]
announce@racket-lang.org
A low-volume, moderated list for announcements, only. (These are posted on the users list too, no need to subscribe to both.)
[list page, gmane mirror, mail-archive]
dev@racket-lang.org
A mailing list for Racket development. (For people who want to see how the sausages are made — and help make them.)
[list page, gmane mirror, mail-archive]

See the mailing list server for more details.

Discussion Channel
Chat on IRC in the #racket channel on freenode.net — an informal discussion channel for all things related to Racket. (Browse the logs.)
RacketCon
RacketCon is our annual conference: 2012 and 2011.
PLT Design Inc.
Blog — announcements, helpful hints, and thoughtful rants.
Twitter — random Racket bits.
People — the people behind Racket.
Wiki
Wiki pages, including:
Intro Projects — Find a project to contribute,
Videos — Watch tutorials, interviews, and more.
Development
Development Repository (also available on GitHub).
Nightly build installers and more.
Bug Reports — create and query existing reports.
Support
Thanks to the NSF, DARPA, the Fund for the Improvement of Postsecondary Education (FIPSE) at the US Department of Education, the Exxon Foundation, CORD,partners of the Academy of Information Technology, Microsoft, Mozilla, and Google for their generous support over the years.