Our software library provides a free download of DRPU Bulk SMS (Professional) 18.104.22.168. The latest installer that can be downloaded is 2.4 MB in size. The software lies within Communication Tools, more precisely E-mail Tools.
From the developer:
DRPU Bulk SMS (Professional) is designed to send bulk customized text messages from computer system to any cell phone owner using USB modems, GSM, Android or Windows technology-based mobile phones.
Create a system for mass deployment of text messages to multiple mobile phone users. Set up the bulk messaging parameters, select the range of numbers or create an individual address list. The utility transmits the messages via USB modems, GSM, Android or Windows online components.