X, formerly Twitter, has just opened up its video and audio calling feature to users on all tiers – allowing everyone with an X account to call other users for absolutely free. The extended capability ...

Tango offers an app that lets users make free video calls from an iPhone or Android devices. Now the company plans to extend the service to include computers. That means you’ll soon be able to make a ...

Making phone calls without incurring traditional phone charges has become increasingly popular, thanks to the rise of free calling apps that utilize Voice over Internet Protocol (VoIP) technology.