Zcash has a vibrant community of developers, users, and enthusiasts. Here’s where they congregate online:

In addition, many Zcash community members are active on Twitter. We use the handle @ZcashFoundation.

As for “meatspace,” the Foundation facilitates a meetups program and runs the annual Zcon gathering.

The Zcash Company is a separate organization, but its website and Twitter account are also useful.