Tool #1: BobRTC
BobRTC is a VOIP platform dedicated to thwarting telephone fraud, illegal robocallers and scams.
You can use this free service to call scammers safely and easily while also spoofing your caller ID.
https://bobrtc.tel/
Tool #2: FireRTC
FireRTC is the most popular Web-based VOIP/Spoofing utility on the internet. Its seamless experience, light design, and arsenal of features makes it an incredibly useful tool for making calls to anyone anonymously with just a browser and internet connection.
https://www.firertc.com/