I made a comprehensive list of shells here: https://github.com/oilshell/oil/wiki/ExternalResources https://github.com/oilshell/oil/wiki/ExternalResources Of c

I made a comprehensive list of shells here: https://github.com/oilshell/oil/wiki/ExternalResources https://github.com/oilshell/oil/wiki/ExternalResources Of course I think my own project, Oil, could be a "21st century shell", or I wouldn't be working on it :) It's designed in a principled way, and it's also the only one that's compatible with bash.