Organic Groups: Enable users to create collaborative groups

Drupal 7

Documentation for Drupal 7.x-1.x is here.
Documentation for Drupal 7.x-2.x is here.

Drupal 6 and lower

You can:

1. enable organic group creation and administration permissions at administer >> user management >> permissions.
2. create organic groups at create content >> group.
3. view a list of organic groups at groups.
4. administer organic group at administer >> settings >> og.
5. disable commenting and attachments for nodes of type group at administer >> content management >> content types >> edit "group".
6. enable group details block, group subscriber block, new groups block, and my groups block at administer >> site building >> blocks.
7. if configured, subscribe to groups by selecting the subscribe link in the group block.
8. create content, invite friends, manage subscriptions, view list of subscribers, and see the group administrator in the group block.
9. enable images in the group details block if you have the image module installed.
10. file issues, read about known bugs, and download the latest version on the Organic Groups project page.