...You just have to type your account information ( https://www.proovl.com ) and upload file on server.
https://www.virtnumber.com/
receive sms online script
https://sourceforge.net/projects/sms-number/
Java SMS api JAR application:
https://sourceforge.net/projects/java-smser-api/
Python send SMS + bulk sms
https://sourceforge.net/projects/python-send-sms-free
https://github.com/aarnhub