We compare features in each of these categories for releases of Community Server:

Groups
Membership
Blogs
Forums
File/media galleries
Wikis
Customization
Security
Search
Integration and add-ons
Tools

Community Server 2008.5 2008 2007.1 2007 2.1
Groups
Create, edit, delete groups x x
Public (open or closed) or private (listed or unlisted/invite only) groups x x
Contact group owners x
Group avatars x
Group forum, blog, media/file gallery (with basic functionality) x x
Group wiki pages
Custom theme capabilities x x
Widget support x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Membership
Create, edit, delete users x x x x x
Ban users x x x x x
Customizable user roles x x x x x
Lost password recovery methods x x x x x
Friends x x x x x
Default friends on user creation x
Member point system x x x x x
Member ratings visible to community members x x
Who is online x x
Account activation options (invitation only, automatic approval, administrator approval, etc.) x x x x x
Configurable activity logging x
New user welcome message x
My Files, My Friends, My Groups x x
Blog/forum/media gallery favorite list x x
Activity stream x x
User uploaded avatars x x x x x
Remote avatars x x x x x
Site default avatar sets x
User-to-user messaging x x
User-specific status messages x x
User-specific announcements x x
Comments on profile x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Blogs
Multiple blogs x x x x x
URL snippet support x x x
Custom post URLs x x
About blog x x x x x
Contact blog owner x x x x x
Spam protection on contact requests x
Add blog or blog post to favorites x x
File storage per blog x x x x
Who is online x x
Add blogs to existing site x x x x x
Scheduled posts x x x x x
Blog via email x x x
Podcasting (enclosure for iTunes feed generation support) x x x
Writing via Windows Live Writer with Active Directory authentication x x x
Auto-creation of blog on new user account creation x x x x x
Aggregate/mirror content form other feeds x x x x x
Upload files via content editor x x x x x
Blog theme customization x x x x x
Configurable value for maximum number of posts per blog x x
Configurable value for maximum number of comments per page x x
Custom list widgets x x x
Sortable blog list x x x x x
Recent posts list x x x x x
Managed tag list x x x x x
Email notifications x x x x x
RSS syndication of posts and comments x x x x x
FeedBurner support x x x x x
Atom syndication x x x x x
Ping service support x x x x x
Multiple authors x x
Anonymous user controls x x
Comments moderation options x x x x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Forums
Multiple forums x x x x x
Question & Answer (distinction from discussion forums) x limited limited limited
Add threads or posts to favorites x
Reader's poll support x x x x x
Popular post criteria x x
Embeddable code for Telligent Community-hosted discussion within an external web site or content management system x
Move posts to different forums x x x x
Merge threads x x
Split posts into new threads x x
Thread list with sort and filter options x x x x x
Email subscriptions to forum or forum threads x
RSS for all threads in a forum or a particular thread x x x x x
Post and reply via email distribution lists x x
Forum moderation x x x x x
User roles can have different permissions for different forums x x
Anonymous user controls x x x x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Files
File gallery x x x x x
Media and video support x
File extension restrictions x x x x x
Video embedding x
Number of downloads and views x x x x x
Post comments and tags x x x x x
Download from external site x x x x x
File ratings x x
Multiple file upload support x
File count and file size quotas x x
File download disclaimer x x x x x
Add gallery or file to favorites x x
Index files for searchability x x x x x
Render files in thumbnails or list view x x
RSS syndication x x x x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Wikis
New page creation and edit x
WYSIWIG editing x
Basic wiki syntax support x
Revision history with comparison x
Embedded images/video x
URL linking x
Ratings x
Comments x
Email notifications for changes to wikis x
Lock pages x
Delete page and recovery x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Customization
Color of text and links x x
Background image x x
Content replacement configuration (text translation to emoticons) x x x x x
Silverlight for WMV, VMA, and/or MP3 files x x
Configurable pre-packaged widgets via Control Panel x x
Advertisement widget with role-specific viewing x x x x x
Customizable copyright x x x x x
Customizable terms of service x x x x x
Customizable email templates x
Localizing default language for site x
Dynamic theming with widgeted UI limited limited

 

Community Server 2008 2007.1 2007 2.1
Security
Spam blocker tools x x x x
Username filters x x x x
Word replacement filters x x x x
IP address banning x x x x
User banning x x x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Search
Search indexing x x
Search by username x x x x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Integration and add-ons
OpenID x x
Mail Gateway x x
RSS and job server x x
Centralized file storage (a provider-based solution supporting either the file system or Amazon S3) x x
Single sign-on modules x
Windows Authentication extension x
Language packs x x x x x

 

Community Server 2008.5 2008 2007.1 2007 2.1
Tools
Add widget controls x x
Send mass email x x x x x
Exceptions report x x x x x
Jobs report x x x x x
Event logs x x x x x
License management x x x x x
File folder management x x
Google Analytics support x x
Email domain controls x x
Aggregate behavior controls x x x
URL redirect support x x x x
REST API support x x