A video-communication service developed by Google. It is one of two apps that constitute the replacement for Google Hangouts, the other being Google Chat.

It is an online meeting, desktop sharing, and video conferencing software package that enables the user to meet with other computer users, customers, clients or colleagues via the Internet in real time.

Teams primarily competes with the similar service Slack, offering workspace chat and videoconferencing, file storage, and application integration. As of 2021, it has about 250 million users.

A proprietary telecommunications application that specializes in providing VoIP-based videotelephony, videoconferencing and voice calls. It also has instant messaging, file transfer, debit-based calls to landline and mobile telephones (over traditional telephone networks), and other features.

Founded as WebEx in 1995 and taken over by Cisco Systems in 2007. All Webex products are part of the Cisco Systems collaboration portfolio.

A proprietary video teleconferencing software program developed by Zoom Video Communications. The free plan allows up to 100 concurrent participants, with a 40-minute time restriction. Paid plans supports up to 1,000 concurrent participants for meetings lasting up to 30 hours.