Doppler makes it easy to securely share sensitive information such as API keys or passwords.
An extensive walk-through on how to build such an extension can be found on the developers docs.
Simple translation using Google Translate
Spotify's most common features, now at your fingertips. Search for music and podcasts, browse your library, and control the playback. Glance at what's currently playing directly from the menu bar.
Pick and organize colors, everywhere on your Mac