Hangouts is an easy goto, but it uses a ton of system resources. Zoom is amazing for video chat, even with hundreds of people on a call. The screen sharing wor

Hangouts is an easy goto, but it uses a ton of system resources. Zoom is amazing for video chat, even with hundreds of people on a call. The screen sharing works well too, and even offers remote control. It uses a lot less resources to run too. If you only need voice, Discord is quite nice, and they have a web client so you can just send a link and the other party can just start chatting with you.