XSender Laravel Web Application sends bulk Email through SMTP, PHP Mailer, Send Grid API and also sends mass SMS via android device using SIM and 4 SMS API Gateway.

Demo: https://codecanyon.net/item/xsender-mass-email-and-sms-messaging-for-digital-marketing/39055616

Mass Site Visitor (MSV) is designed to generate large amounts of traffic to websites of your choice through a list of proxy servers in multi-threaded mode.

Demo: https://codecanyon.net/item/mass-site-visitor/18207656

Find forums on your topic and answer audience questions. Don't make a spam account, don't stuff your posts with one word posts.