Free and Open Source SMS Gateway Software. Not A Free SMS Service.
GSM Modem based sms sending tool
Bulk SMS Service API for Bangladeshi Operators
Contact form with SENDGRID email notification and PROOVL SMS alert
Send OTP SMS to your Registered Members
SMS plugin messenger with reliable SMS gateway connection.
Example for sending SMS using SMS Gateway (BULK) & PHP
Example for sending SMS using SMS Gateway (BULK)