There is also https://sciter.com/ https://sciter.com/ It's non-free but you can "Use Sciter in binary form as it is published on the site" so cgo with bindings

There is also https://sciter.com/ https://sciter.com/ It's non-free but you can "Use Sciter in binary form as it is published on the site" so cgo with bindings and the downloaded binary. https://github.com/sciter-sdk/go-sciter https://github.com/sciter-sdk/go-sciter