https://builtwithelm.co/ https://builtwithelm.co/ lists some, but not sure what you consider large. Not sure if you would categorize this as dev tool https://g

https://builtwithelm.co/ https://builtwithelm.co/ lists some, but not sure what you consider large. Not sure if you would categorize this as dev tool https://github.com/erkal/kite https://github.com/erkal/kite And ellie certainly might be a dev-tool, but not a toy https://github.com/ellie-app/ellie https://github.com/ellie-app/ellie