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Compare them all:
Wikis
Forums
Podcatchers
Weblogs
Feature Comparison
| General | GroupServer  | aterr | MyBB | XenForo |
|---|---|---|---|---|
 Version |
 1.0β |
0.9.3 |
1.6.3 |
1.1.2 |
| Release Date |
2010 June 16 |
2 June 2006 |
17 April 2011 |
2/7/2012 |
| Author |
OnlineGroups.Net |
Chimaera Project |
MyBB Group |
XenForo Ltd |
| URL |
groupserver.org |
chimaera.starglade.org |
www.mybb.com |
xenforo.com |
| Free and Open Source |
 Yes |
Yes |
Yes |
 No |
| License |
GPL |
GPL |
Custom |
commercial / visible source |
| License cost |
$0 |
|
US$0 |
$140 |
| Programming Language |
Python & Zope |
PHP 4 |
PHP |
PHP |
| UTF-8 Support |
Yes |
|
Yes |
Yes |
| Type |
Flat |
Threaded |
Threaded or Flat |
Flat |
| Installation method |
manual |
|
wizard |
wizard |
| Upgrade method |
manual |
|
wizard |
wizard |
| Data Storage | GroupServer | aterr | MyBB | XenForo |
| MySQL |
|
Yes |
Yes |
Yes |
| Postgres |
Yes |
No |
Yes |
No |
| Oracle |
|
No |
No |
No |
| SQLite |
|
No |
Yes |
No |
| Textfiles |
|
No |
No |
No |
| other |
Zope Object Database |
|
|
NA |
| Hosting available |
Yes |
|
No |
No |
| Posts | GroupServer | aterr | MyBB | XenForo |
| BBCode |
No |
Yes |
Yes |
Yes |
| HTML |
No |
No |
Yes |
No |
| Emoticons |
No |
No |
Yes |
Yes |
| Formatting Toolbar |
No |
No |
Yes |
Yes |
| WYSIWYG Editor |
No |
No |
 Plugin |
Yes |
| Quoting |
None |
Single |
Nested |
Single |
| Syntax Highlighting |
No |
No |
Yes |
Yes |
| Attachments |
Multiple files |
No |
Multiple files |
Multiple files |
| Forums | GroupServer | aterr | MyBB | XenForo |
| Categories |
Yes |
|
Yes |
Yes |
| Subforums |
No |
unlimited |
unlimited |
unlimited |
| Last Post |
Yes |
Yes |
Yes |
Yes |
| Redirect Forums |
No |
No |
Yes |
Yes |
| Trashcan Forum |
No |
No |
Plugin |
No |
| Anti-Spam and Security | GroupServer | aterr | MyBB | XenForo |
| CAPTCHA |
No |
No |
Yes |
Yes |
| Groups |
Multiple groups |
No |
Multiple groups |
Multiple groups |
| Flood Control |
Yes |
|
Yes |
Yes |
| ACLs |
Yes |
Yes |
Yes |
Yes |
| Blacklist |
Yes |
No |
Yes |
Yes |
| Warnings |
No |
No |
Yes |
Yes |
| Suspension |
Yes |
No |
Yes |
Yes |
| Bans |
Yes |
Yes |
Yes |
Yes |
| IP-Block |
No |
No |
Yes |
Yes |
| Audit Logging |
Yes |
|
Yes |
Yes |
| User Reports |
Yes |
|
Yes |
Yes |
| Other |
Spam Assasin is used for email spam control. |
|
Akismet plugin available. |
Advanced Spam Manager "Spam Cleaner", Questions and Answer System |
| Notification | GroupServer | aterr | MyBB | XenForo |
| RSS/ATOM |
Yes |
Yes |
Yes |
Yes |
| E-Mail |
Yes |
Yes |
Yes |
Yes |
| Instant Messaging |
Integrated Chat |
0 |
|
No |
| Bookmarks |
No |
Yes |
Yes |
Yes |
| Community | GroupServer | aterr | MyBB | XenForo |
| Avatars |
Yes |
No |
Yes |
Yes |
| User Ranks |
No |
No |
Yes |
Yes |
| Rating/Karma System |
No |
No |
Yes |
Yes |
| Signatures |
No |
Yes |
Yes |
Yes |
| Users Online List |
No |
Yes |
Yes |
Yes |
| Private Messaging |
Yes |
No |
Yes |
Yes |
| Custom profile fields |
No |
No |
Yes |
Yes |
| Moderation | GroupServer | aterr | MyBB | XenForo |
| Moderators |
global and forums |
global and forums |
global and forums |
global and forums |
| Move Threads |
|
Yes |
Yes |
Yes |
| Split Threads |
|
Yes |
Yes |
Yes |
| Close Threads |
|
Yes |
Yes |
Yes |
| Shadow Topics |
|
No |
Yes |
Yes |
| Sticky Threads |
Yes |
Yes |
Yes |
Yes |
| Important Threads |
|
No |
Yes |
No |
| Search | GroupServer | aterr | MyBB | XenForo |
| Full-text search |
Yes |
Yes |
Yes |
Yes |
| Author search |
|
Yes |
Yes |
Yes |
| Advanced search |
Yes |
Yes |
Yes |
Yes |
| Unread Topics |
|
|
Database tracked |
Database tracked |
| Customization | GroupServer | aterr | MyBB | XenForo |
| Languages |
English |
1 |
Many |
English by default, other languages available via the community |
| Templates |
|
CSS only |
global and forum specific |
global and forum specific |
| Custom BBCodes |
|
No |
Yes |
Plugin |
| Skin-Editor |
|
No |
Yes |
Yes |
| Smiley Packs |
|
No |
Yes |
Yes |
| Plugins |
|
No |
Yes |
Yes |
| Special Features | GroupServer | aterr | MyBB | XenForo |
| Statistics |
Yes |
|
Yes |
Yes |
| Polls |
|
No |
Yes |
Yes |
| Calendar |
|
No |
Yes |
No |
| Friendly URLs |
|
Yes |
Plugin |
Yes |
| Data Management | GroupServer | aterr | MyBB | XenForo |
| Pruning |
|
No |
Plugin |
No |
| Archiving |
|
No |
No |
No |
| Export Formats |
XML, mbox |
|
|
NA |
| Export private messages |
Yes |
No |
Yes |
No |
| Lo-Fi View |
|
No |
Yes |
No |
| Last updated | 2010-06-21 | 2006-07-02 | 2011-06-22 | 2012-03-28 |
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