TextOnline is a very easy-to-use online application that requires no technical knowledge to send and receive text messages. If you can use a browser, you can use TextOnline!
You can see from the screenshots below that you select recipients from groups on the right-hand side of the main screen, enter your message in the middle, select any reply option and press the Send button. And menu options on the left-hand side help you use the additional features of the service.
No hidden charges for replies, support or features. Just pay for the services you use.