Вот модули по умолчанию:
Aggregator 6.27 Aggregates syndicated content (RSS, RDF, and Atom feeds).
Blog 6.27 Enables keeping easily and regularly updated user web pages or blogs.
Blog API 6.27 Allows users to post content using applications that support XML-RPC blog APIs.
Book 6.27 Allows users to structure site pages in a hierarchy or outline.
Color 6.27 Allows the user to change the color scheme of certain themes.
Comment 6.27 Allows users to comment on and discuss published content.
Required by: Forum (disabled), Tracker (disabled)
Contact 6.27 Enables the use of both personal and site-wide contact forms.
Content translation 6.27 Allows content to be translated into different languages.
Depends on: Locale (enabled)
Database logging 6.27 Logs and records system events to the database.
Forum 6.27 Enables threaded discussions about general topics.
Depends on: Taxonomy (enabled), Comment (enabled)
Help 6.27 Manages the display of online help.
Locale 6.27 Adds language handling functionality and enables the translation of the user interface to languages other than English.
Required by: Content translation (disabled)
Menu 6.27 Allows administrators to customize the site navigation menu.
OpenID 6.27 Allows users to log into your site using OpenID.
Path 6.27 Allows users to rename URLs.
PHP filter 6.27 Allows embedded PHP code/snippets to be evaluated.
Ping 6.27 Alerts other sites when your site has been updated.
Poll 6.27 Allows your site to capture votes on different topics in the form of multiple choice questions.
Profile 6.27 Supports configurable user profiles.
Search 6.27 Enables site-wide keyword searching.
Statistics 6.27 Logs access statistics for your site.
Syslog 6.27 Logs and records system events to syslog.
Taxonomy 6.27 Enables the categorization of content.
Required by: Forum (disabled)
Throttle 6.27 Handles the auto-throttling mechanism, to control site congestion.
Tracker 6.27 Enables tracking of recent posts for users.
Depends on: Comment (enabled)
Trigger 6.27 Enables actions to be fired on certain system events, such as when new content is created.
Update status 6.27 Checks the status of available updates for Drupal and your installed modules and themes.
Upload 6.27 Allows users to upload and attach files to content.
Core - required

Enabled Name Version Description
Block 6.27 Controls the boxes that are displayed around the main content.
Filter 6.27 Handles the filtering of content in preparation for display.
Node 6.27 Allows content to be submitted to the site and displayed on pages.
System 6.27 Handles general site configuration for administrators.
User 6.27 Manages the user registration and login system.