react/docs/support.md

title	layout	id
Need help?	single	support

React is worked on full-time by Facebook's product infrastructure and Instagram's user interface engineering teams. They're often around and available for questions.

Google Groups mailing list

The reactjs Google Group is the best place to ask questions and find answers.

IRC

Many developers and users idle on Freenode.net's IRC network in #reactjs on freenode.