DesktopSMS Client for Windows
DesktopSMS allows you to connect Android phone and Windows PC to synchronize and send SMS messages from computer via Android device. Here you can see screens of the client application that you use to interact with your conversations and SMS/MMS messages on remote Android device.
DesktopSMS Lite for Android
DesktopSMS Lite is a wrapper that sits on top of your default Android SMS messenger and provides SMS and MMS synchronization with DesktopSMS Client. It is not standalone messenger, it provides all the functionality needed for DesktopSMS Client.