Skype

Zoom

This company develops cloud-based software for video conferencing, online meetings and group chat for business and individual customers.

WhatsApp

This company provides a cross-platform messaging and voice calling application for individual consumers and businesses worldwide.

AltspaceVR

This software company develops a social virtual reality platform that enables users to connect and interact in shared digital spaces for communication and events.

Broadsoft

This company develops cloud-based unified communications and collaboration software for telecommunications service providers and large enterprises.

Discord

This company provides a communication platform offering voice, video and text chat services for communities and groups of friends to interact online.

Latitude Communications

This company develops voice and web conferencing systems for large organisations to facilitate virtual meetings and real-time data collaboration across multiple geographic locations.

iMagicTV

This company develops software that enables telecommunications providers to deliver television, web access and interactive services over high-speed internet connections to residential customers.

Concord Communications

This software company develops network performance and service management tools for telecommunications providers and large enterprises to monitor business-critical applications and infrastructure.