Signal Private Messenger is one of the most popular privacy chat apps. It features end-to-end encryption for all messages, voice calls, and video chats between two Signal users. It focuses a lot on individual chats. There are group chat features, but it's mostly for personal use. This is one of the biggest differences between it and rival privacy chat app Telegram. Video calls worked fine in our testing so we have no trouble recommending them. It's a neat way to get some encrypted chats as well. The app is also completely free and open source. You can't really go wrong with it, but there are better video chat apps if you need group video chats.
There are plenty of business level video chat apps out there. They function differently from consumer level stuff. For instance, there is a larger emphasis on file sharing, attendance taking, and conferencing tools compared to something like Skype, WhatsApp, or Google Duo. Google Hangouts is slowly making its way to this genre. Some other good options include Zoom, Cisco Webex Meetings, GoToMeeting, and some others. The prices vary, but the software generally works okay. We only recommend these for business use, though. You can find our list of the best video conferencing apps at the button above!
Any smart doorbell worth its salt is equipped with a video camera that sends an alert to your phone along with a live video stream when the doorbell button is pressed. Video is accessed via a mobile app that is also used to install the device, configure wireless settings, and set up alerts. You'll pay more for doorbells that offer features like 1080p video, motion detection, two-way audio that lets you speak with whoever is out there, and on-demand video streaming. To avoid false alerts from passing cars, high winds, and any critters you may have roaming around your property, look for a doorbell cam that offers customizable motion zones.

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