There are many software solutions that you can use when you want to send a message to your friends, no matter where they are currently living. However, if you would prefer to send a message to multiple contacts at the same time, you can try Zello, a reliable utility for chatting with your friends from overseas.
Cross-platform chatting app
When you run it for the first time, you will need to either an account - if you already have one, you will be requested to enter your credentials, so you can access your contact list, as created on your mobile devices.
The application is highly intuitive, so you can make the most of it even if you are a novice when it comes to installing software on computer.
A list with your contacts is displayed within the main window, along with the channels you have subscribed to or created yourself. When you join a channel, you will be able to post comments and read the ones published by other users on a certain topic.
Finding a channel of interest is quite easy: you simply need to enter a keyword, then browse to the one you consider to be the most appealing. Then enter its appropriate password, if it is a private channel, and you are good to go, the channel has been added to your contact list.
To wrap it up, Zello might seem like your typical chat application, but it can come in handy if you want to communicate with multiple users at the same time, especially since it is available for several mobile platforms as well.