SMS Bot Creator - Automate SMS replies using a bot

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

Sales Torch - Manage prospects effectively.

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.

Avochato - Text messaging for your business.

NetHunt CRM - Turn Gmail into a smart CRM