When comparing RadioTray vs Nuclear Music Player, the Slant community recommends Nuclear Music Player for most people. In the question“What are the best music players for OSX ?” Nuclear Music Player is ranked 11th while RadioTray is ranked 15th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Super easy to use
Because it's designed to be extremely minimal, Radio Tray is extremely easy to use. The entire UI consists of a dropdown menu where you can hover over the genre you wish to listen to, and then you can choose a specific radio station to listen to.
Pro Plugins available
You can extend the utility of Radio Tray through plugins.
Pro Streaming and playing local files within a single client
Pro Cross-platform
As an Electron app NMP runs on GNU/Linux, macOS and Windows.
Pro Free and open source
Licensed under AGPL-3.0. Everybody can inspect the code, use it and improve it.
Pro Looks beautiful and modern
Pro Plugin system allowing for easy addition of more streaming sources
Cons
Con Not usable for locally stored media
Radio Tray is intended to be a simple way to stream online music. As such, it doesn't work as a music play for locally stored music.
Con Possibly abandoned
The last release (0.7.3) was back in August 2012, and the last commit is listed as January 2015.
Con Resource intensive
Just like any other web app.