I've been using Bitbar for several years now. Very happy with it for what it does. On my personal MBP, I use it to see when the GPU switches between dedicated

I've been using Bitbar for several years now. Very happy with it for what it does. On my personal MBP, I use it to see when the GPU switches between dedicated and integrated. On my work laptop, I use it to see the current playing track on Spotify.