I know at least of Textual. Open source but you can buy a pre-built binary for $10. Compiling it yourself was fairly easy when I tried it out once though. http

I know at least of Textual. Open source but you can buy a pre-built binary for $10. Compiling it yourself was fairly easy when I tried it out once though. https://github.com/Codeux-Software/Textual https://github.com/Codeux-Software/Textual