Voipbuster is described as 'VoipBuster is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world' and is an app in the Social & Communications category. There are more than 10 alternatives to Voipbuster for a variety of platforms, including Online / Web-based, Android, iPhone, Android Tablet and iPad. The best alternative is Wire. It's not free, so if you're looking for a free alternative, you could try Hangouts or Whereby. Other great apps like Voipbuster are Daily Co (Freemium), Collabify (Freemium), Tango (Freemium) and Team.video (Free).
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption. Why Wire?
Daily is an audio and video API. Easily build video chats in your web or mobile apps with an API built on top of WebRTC or drop in the Prebuilt UI for fast video conferencing integration. 1,000 person video and audio calls. HIPAA compliant.
Team.video helps remote teams have happier, more productive meetings by offering user friendly video meetings with agendas, collaborative notes, and emoji responses. No download required and it’s free to use.
Walkie is a better way to communicate for distributed teams that don't want to spend all day in dry text channels. Voice Only A voice only communication tool that enables teams to communicate with emotion and purpose. Distraction Free