Registration for the 2017 Global Game Jam is now open to all developers, be they professional or hobbyist, interested in jamming with the rest of the world on January 20th through the 22nd, 2017.
Interested parties can register as jammers here. There are already thousands of people signed up, and you can keep an eye on the totals and where people are going to be jamming from via the Global Game Jam’s Live Status Map.
If there are no Jam sites near you, there is still time to register a site. More information on this process can be found here.