These are the User Groups that are formed among people to associate with others with a similar interest.
If the site you are submitting focuses on one particular system, please follow the links in Computers: Organizations: User Groups to the appropriate category.

If there is no category there, please find the most appropriate subcategory of Computers: Systems and submit there.

Please also note that sites not primarily in English should be submitted to the respective World: category. Thankyou.