Zeplin - Collaboration app for UI designers & frontend developers
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
ActiveWords - Auto correct on steroids
Plivo - Plivo simplifies your customer engagement.