EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.

Spotify Websocket API is a fully open source Spotify library based on the WebSocket API used in the Spotify Web beta

Python library to communicate with the Spotify WebSocket API

Node.js implementation of the Spotify Web protocol

Download an entire spotify playlist ( FROM SPOTIFY at 160kpbs ) to your local machine.

Python bindings for libspotify (no longer working as of May 2022)

A free utility to help web developers watch and manipulate network traffic from their AJAX applications.