Contact us
- Sponsorships:sponsorship@coscup.org
- Programs: program@coscup.org
- Event marketing and promotion: marketing@coscup.org
- Register and others: attendee@coscup.org
Official Chat Room
COSCUP IRC channel is hosted on Freenode. You may use your favorite IRC software to join chat.freenode.net#coscup.
You may also use the web chat interface provided by Freenode.