| | Publishing | Closed community | Open community
|
| How to add users? | Only by the admin | Only by the admin | Self-registration
|
| Communication | few to many | Many to many | Many to many
|
| Wiki | Yes | Yes | Yes
|
| Forum | No | Yes | Yes
|
| Blog | Yes | Yes | Yes
|
Publishing
Publishing/Brochureware with User-generated content (UGC), but clear what is official vs user-contributed e-commerce
Intranet, Closed team collaboration, users do not register
With one public section
: Registration, collaboration: many to many
User profiles, collaboration, users register
spam protection
Behind the firewall