I've been using Airsonic for music and podcasts, hosted on a headless Linux server. Supports caching, gapless playback,and more. DSub is a pretty solid client f

I've been using Airsonic for music and podcasts, hosted on a headless Linux server. Supports caching, gapless playback,and more. DSub is a pretty solid client for android, with the Play Store version supporting Android auto and casting to chromecast. Everything's FOSS, too