Leadpipe introduces a powerful feature known as Connectors, designed to seamlessly integrate emails and newsletters with services like Campaign Monitor. This enables a straightforward method to funnel leads directly into your mail system. The system automatically adds identified leads—including names, email addresses, and physical addresses—to your selected mailing list and checks to ensure no duplicates are sent.

Integry's built-in app for key-value caching

Aircall is a cloud-based phone system designed for businesses to streamline communication. It offers features like call routing, analytics, and integrations with popular CRMs.