Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Froged - One click solution providing easy-to-use marketing, sales and support services to turn website visitors into happy customers.

Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.

Intercom on Customer Engagement - A book on how to create messages that drive engagement

Avochato - Text messaging for your business.

Keep Your Friends Close - A free e-book about maximizing Customer Lifetime Value