Hi there! I wonder if there are trans voice training programs for Linux-based systems. I see a few recommendations for mobile apps here and there, but I'd very much prefer a free/libre/open-source program that works on my primary devices.
I've also been looking into real-time spectrometers, but haven't had much luck yet. (I'll shift the blame to PulseAudio)
You should use Signalizer, it's a really great FOSS Spectrum analyzer that I use all the time
I'm pretty sure there's a standalone version, but I always use it as a plugin, so if it doesnt have a standalone version I'd recommend loading it into Bespoke Synth, idk what bespoke does but it basically works flawlessly on any Linux audio system I've tried automatically, and it's just a fun software to mess with
Well, offering up my two cents there's something called Common Voice by Mozilla. I think it's like a voice dataset or something
https://commonvoice.mozilla.org/en