Jitsi is a free open-source video conferencing software for web and mobile. Make a call, launch on your own servers, integrate into your app, and more.

Facetime makes it super simple for collaborating teams to jump on a video call.

Zoom is a secure and reliable video platform that supports all of your online communication needs. It can provide everything from one on one meetings, chat, phone, webinars, and large-scale online events. Available with both desktop, web, and mobile versions.