Largest Provider of Commercial Smalltalk
Cincom is one of the largest commercial providers of Smalltalk, with twice as many customers and partners as other commercial providers.

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Frequently Asked Questions about MacOS and Cincom VisualWorks

Does Cincom VisualWorks run on MacOS Catalina?

  • Cincom VisualWorks 9.0 and newer will run on MacOS Catalina (10.15.x).
  • Prior versions of VisualWorks will not work due to changes that Apple made in MacOS.

Is there a 64-bit version for MacOS?

  • Recent versions for MacOS are 64-bit installations.

I ran into a problem when trying to install VisualWorks on MacOS.

  • Please see the installation pictorial here for visuals of installation issues and the solutions.

If you have more questions, feedback, or if you would like to discuss the product, please contact the Cincom Smalltalk Product Team at

For other frequently asked questions, visit our FAQs section where we answer “How do I…?” and other questions here.