Dynamo

From Wiki.OSArch

A visual programming tool developed as libre / opensource and integrate into Autodesk_Revit.

https://archsmarter.com/what-is-dynamo-revit/#:~:text=Dynamo%20is%20a%20visual%20programming%20tool%20that%20works%20with%20Revit.&text=Rather%20than%20typing%20code%2C%20with,architects%2C%20designers%2C%20and%20engineers.

See Also

External Resources

OpenSource not OpenSource?!, Ethical dilemmas with an Open source and DLL or wrapped (paid) packages,