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Re:OsFree project: OS/2 Replacement by ptx on Monday April 20, 2020 @06:34PM (#22929555)
What were the advantages of SOM compared to COM?
Re:OsFree project: OS/2 Replacement by pjmlp on Tuesday April 21, 2020 @02:23AM (#22932515)
I really liked that it had support for metaclasses.

Here you can find a comparison, naturally biased towards SOM.

http://www.edm2.com/index.php/The_System_Object_Model_%28SOM...

Here is some SOM documentation, https://ecsoft2.org/ibm-somobjects-developers-toolkit-os2

However, UWP now makes COM quite nice to use, this was what VB 6 and C++ should have turned into, instead of racing after Java, and taking 20 years to do a full circle.