Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Headphones - Automatic music downloader for SABnzbd. Headphones is an automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole.
TogetherTube - to watch videos with other people online
Lidarr - Lidarr is a music collection manager for downloading and organizing music libraries.
Syncplay - Syncplay is a different kind of entertainment platform.
music2pc - music2pc is a free program to find and download MP3 songs from the Internet.