Lightweight & resource friendly spotify client without requiring Spotify Premium

An open source, cross-platform Spotify client that doesn't require Premium nor uses Electron!
That uses Spotify's data/discovery API and YouTube (or Piped.video) as audio source
Features:
* No ads, thanks to the use of public & free Spotify and YT Music APIs¹
* Downloadable tracks
* Cross-platform support
* Small size & less data usage
* Anonymous/guest login
* Time synced lyrics
* No telemetry, diagnostics or user data collection
* Native performance
* Open source/libre software
* Playback control is done locally, not on the server
Unsupported features
*Spotify Shows & PodcastsShows and Podcasts can never be supported because the audio tracks are only available on Spotify and accessing them would require Spotify Premium.
* Spotify Listen AlongComing soon!
License