Paritosh asked a question.
The end of life and end of support dates for few softwares
Snow Inventory Oracle Hardware Scanner 2.0 (Linux)
Snow Inventory Server 6.8
Snow Management and Configuration Center 2.0
Snow Software SRS Client 3
Snow Automation Platform 3.9
Snow Inventory Oracle Middleware Scanner 2.0 (Linux)
Snow Active Directory Discovery 4.5
Snow Integration Manager 5.45
Snow Inventory Agent 6.9
Snow License Manager 9.8
Snow Inventory Agent 6.8 (Mac)
This is Snow's published EOL document: Snow EoL (End of Life) information (snowsoftware.com)
Most of your list fits within the parent software mentioned in it.