OBS Studio for Windows / Mac OS and Linux
An open source software Free Facebook Live Streaming app available for Windows, Mac OS and Linux Operating System. One of its kind, and popular among open source software’s that brings plenty of features to your desktop for absolutely FREE. Open Broadcaster Software has built-in audio/video mixing, Unlimited Scenes made up of multiple sources, Images, Texts, Multiple Cameras, Capture cards and much more support packaged in one software.
Audio mixer allows you to control the Live Streaming & Broadcasting very well with ready to use filters such as Noise Gate, Noise Suppression and Gain level adjustment as well. You can easily duplicate existing properties for reuse. Streamlined Settings panel gives you access to a wide array of configuration options that you can tweak every aspect of your Live Broadcasting and Recording.
There are so many features built inside this powerful Open Broadcaster Software (OBS Studio), and just like any other Open Source software, you have to spend few hours in learning and understanding before starting your Live Streaming session.
Twitch Gamers and Youtube Gamers are already using OBS for their Live Streaming as you read this post. You can get support and request for new features in their Support Forum.