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.
EZ Texting - EZ Texting provides SMS marketing solutions to businesses of all sizes.
Talkus - Chat with your website users from Slack
Textmagic - The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
SimpleTexting - SimpleTexting offers SMS and text marketing services for companies of all sizes.