Zendesk is a customer support SDK that is designed to grow and scale, so it works for companies of any size—from startup to enterprise. With Zendesk, you get industry benchmark data, customer intelligence, and information on every interaction.

Intercom's SDK helps developers integrate the Intercom Messenger into native iOSapps. Using this SDK, developers can change configuration to optimize performance, enable push notifications and identity verification, and link to pages within the app.

The Zopim chat interface has been aquired by Zendesk.