Please have a look at textnow.com. They have a windows app that allows for free sms/mms. I want to develop a web app with these functionalities
20 freelancers estão ofertando em média $360 para esse trabalho
Hi, I can create an OSX/WINDOWS/LINUX app with ElectronJS that could do that via an API. Also I had developed an Android APP that is working as SMS SENDER API. If you are interested we can discuss more in private.