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

EZ Texting - EZ Texting provides SMS marketing solutions to businesses of all sizes.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Textmagic - The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

SimpleTexting - SimpleTexting offers SMS and text marketing services for companies of all sizes.