Twilio - Brings voice and messaging to your web and mobile applications.
Birdeye - #1 most trusted reputation and customer experience platform for local business
Plivo - Plivo simplifies your customer engagement.
ReviewTrackers - Software that generates new customer reviews, engages your customers and lets you listen and...
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Reputation.com - Reputation.com is a solution for tracking and improving online reviews, social media, and local search visibility for businesses.