Synacor | 10,824 followers on LinkedIn. Synacor delivers leading email and collaboration platforms with Zimbra and cloud-based identity management with Cloud ID | Synacor is a cloud-based software and services company headquartered in Buffalo, New York with offices across the globe. We're known for serving global video, content, entertainment, internet and communications providers, device manufacturers, governments and enterprises. Our mission is to enable our customers to better engage with their consumers and partners.