You can easily download the popular free online meeting app Zoom on your computer or mobile and then use it to hold online conferencing, chatting, video calls, audio calls, webinars, etc.
If you need a free screen recorder to record Zoom online meetings for later reference, you can try MiniTool Video Converter that comes with a built-in Screen Recorder. This post teaches you how to download and install Zoom on Windows, Mac, iPhone, or Android.
Zoom is a top communication app that offers online video and audio conferencing, chat, online events, and webinars.