SMS Class Tools - SMS Class Tools is a fake message generator that allows you to have some fun with your colleagues and friends.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
iOS.foxsash - iOS.foxsash is a text generator for iOS that generates unique, real-looking messages that users can send on your behalf.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
WhatsFake - Make fake conversations that look just like WhatsApp
Plivo - Plivo simplifies your customer engagement.