Yes, and Cuis is also good: https://cuis.st/ https://cuis.st/ Cuis aims to be reasonably complete and polished, and very stable, while having fewer base class

Yes, and Cuis is also good: https://cuis.st/ https://cuis.st/ Cuis aims to be reasonably complete and polished, and very stable, while having fewer base classes than Squeak, and way fewer than Pharo.