Melrose Labs SMSC Simulator - SMPP SMSC simulator to test SMS messaging applications.
AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.
Twilio - Brings voice and messaging to your web and mobile applications.
Droid Explorer - A tool to manage your rooted Android device with the simplicity of Windows Explorer.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Wondershare MobileGo - Wondershare MobileGo is a dependable and convenient application that can help you to reinforcement or exchange information from your Android mobile phone to the PC and access particular applications to deal with your records effortlessly.