FLStudio includes a wide range of plugins: generators, tools and effects. However most of these are FLStudio format only. Which means they only work in FLStudio.
If they are available as a VST or AU format ...
FLStudio 9 and has audio files (vocals) in the playlist which have been edited with Newtone. When I tried to load the project (from a ZIP file) into FLStudio 20, it will load all of the audio files ...