Cost:
$30 to $100 per class. Skillshare takes a 15% cut of each ticket sold.
This New York startup started in 2009 with the goal of letting anyone share their knowledge and skills, whether it's cooking, jewelry making or public speaking. Classes are held both offline and online. "We have dozens of local classes happening each night in local cities across the United States," says Danya Cheskis-Gold, the site's community manager.
NEXT: Getable.com