Fake Caller ID - Fake Caller ID app provides users with a spoof caller id, and two free voice changer calls on a daily basis to make a call to their friends and pranks them in the voice of their girlfriend right at their fingertips.
Cold Email Analyzer by Mailshake - Real-time analysis of email subject lines and copy
Prank Dial - The #1 prank call site on the web!
Cold Email Generator - Quickly create a 5-touchpoint email campaign
Call Spoofer - Call Spoofer app helps users make a call on an unknown number by changing their caller Id, phone number, and voice to protect their privacy.
Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.