DiskyT - Youtube playlists done right
PRIZM - Intelligent music player that you can plug into any speakers
OrganizeTube - Create video playlists from Youtube, Vimeo and other sources
Magic Playlist - Get the playlist of your dreams based on a song
Tuned Rocks📺 - Discover🔎 curated Youtube videos 24/7
Tycho Forecast - Turn your weather into a Spotify or Apple Music playlist