Investis - Investis helps companies to use digital channels to increase revenue, enhance employee engagement and influence corporate audiences.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
WebRTC - WebRTC is a free, open project that enables web browsers with Real-Time Communications (RTC) capabilities via simple JavaScript APIs. The WebRTC components have been optimized to best serve this purpose.
Facebook Messenger - Facebook Messenger is a faster way to message.
Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.