Sure, PeerTube is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Ⓞ Owncast .

So is Ⓞ Owncast

Live video streaming + chat out of the box
★ 9.7k streaming video License: MIT
Owncast is an open source, self-hosted, decentralized, single user live video streaming and chat server for running your own live streams similar in style to the large mainstream options. It offers complete ownership over your content, interface, moderation and audience.