Mjolnir, the most advanced open-source Spotify AiO. It has 3 Generators, 2 Streamers, 2 Checkers and a Liker, as well as a clean browser-based gui implemented and is easy to use.

Spotify Artist Tools - Detect editorial placements and track playlists

Export Spotify playlists to CSV directly from the terminal.

Self-documenting Spotify web API.

Spotilytics is a tool that allows you to view your downloaded Spotify streaming history throughout the year, without the need to wait for Spotify Wrapped. It works on Windows with Python 3.10+ installed.