FStream is described as 'little WebRadio listener/recorder software' and is an app in the Audio & Music category. There are five alternatives to FStream for a variety of platforms, including Windows, Linux, Online / Web-based, Android and iPhone. The best alternative is streamWriter, which is both free and Open Source. Other great apps like FStream are Shortwave (Gnome) (Free, Open Source), RarmaRadio (Paid), Streamtuner2 (Free, Open Source) and dar.fm (Freemium).
The successor of Gradio, Shortwave will include all important Gradio features and more. Discovery and search radio stations listed in the radio-browser.info database, listen to them, automatically record songs, and stream to Google Cast-enabled (Chromecast) devices.
streamtuner2 is an internet radio browser. It looks up the categorized music stations from various directory services: SHOUTcastXiph.org, live365, InternetRadio.com, Jamendo, MyOggRadio, Youtube, SurfMusik, Punkcast.
DAR.fm is a service that lets you record radio stations and shows so you can listen whenever you like. Meanwhile, the OnRad.io mobile app lets you find and play any song or artist played anywhere in the world on radio.