Can anyone vouch for this? I (personally) don't mind that it's closed source, but I've never heard of it and can't find much about it. Website makes it look fantastic though, so I'm intrigued. But am hesitating at giving it all of my API keys..
Reddit is probably your best bet. I think we all take some risk, even with something like LMStudio which is closed source, since all these apps are basically a new genre.
