http://hopac.github.io/Hopac/Hopac.html
Why do you think that https://github.com/mrakgr/The-Spiral-Language is a good alternative to Hopac
http://hopac.github.io/Hopac/Hopac.html
Why do you think that https://github.com/mrakgr/The-Spiral-Language is a good alternative to Hopac