I don't know much (or anything, really) about DAW development, but as a Reaper user I know you can make a cross-platform DAW that performs extremely well on ver

I don't know much (or anything, really) about DAW development, but as a Reaper user I know you can make a cross-platform DAW that performs extremely well on very little ressources, including displaying many instances of all the things the author is talking about (spectrograms, audio files, zoomable midi clips, etc.) in real time, on a Raspberry Pi, while playing audio and driving physical synthesis plugins.