What are some alternatives?
SkyTube - Open-source YouTube video player for Android.
Minitube - Minitube is a YouTube desktop application.
YouTube - Our mission is to give everyone a voice and show them the world.
PeerTube - Federated (ActivityPub) video streaming platform using P2P (BitTorrent) directly in the web browser...
Echoes Player - Fast, browser-based media player for YouTube.
Vimeo - Vimeo is a social media app that lets you share and capture videos. You can watch new videos in a variety of different categories, and you can share your own content right from your device. Read more about Vimeo.