For you, convenience here are the links Android and iPhone (iOS). Here are steps on how to view text messages on computer online and offline for Android and iPhone running mobile phones.
and available for both Android and iPhone(iOS). It supports any operating system Windows, Mac, Linux, etc.
However, offline only works in your local network and to control the phone from PC to send SMS remotely you need both computer and mobile phone online.
This app has the ability to send and receive texts on PC both online and offline. The all in one solution to remotely send and receive the messages free of cost without the physically touching the phone. Pulse SMS (for Android- Paid) Here are best apps to send and receive text messages directly on Windows or Mac OS Airdroid
