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Compare them all:
Wikis
Forums
Podcatchers
Weblogs
Feature Comparison
| General Features | CentralDesktop  | Confluence | PBwiki | Wikispaces |
|---|---|---|---|---|
 Version |
does not apply |  4.0 |
does not apply | does not apply |
| Last Release Date |
does not apply | 19th September, 2011 |
does not apply | does not apply |
| Author |
Central Desktop |
Atlassian |
PBworks |
Wikispaces.com |
| URL |
www.centraldesktop.com |
www.atlassian.com |
pbworks.com |
www.wikispaces.com |
| Free and Open Source |
does not apply |  No |
does not apply | does not apply |
| License |
does not apply | Commercial + Free personal/open source project/community use |
does not apply | does not apply |
| Programming Language |
does not apply | Java |
does not apply | does not apply |
| Data Storage |
does not apply | Database |
does not apply | does not apply |
| License Cost/ Fee |
Free Version Available |
starting at US $10 installed (unlimited wikis) |
Determined by Solution Needs |
free for public and protected (members-only) spaces; $5/mo. for private and ad-free spaces |
| Development status |
does not apply | Mature |
does not apply | does not apply |
| Intended Audience |
Director, VP, & C-Level Managers; Enterprise & SMB; Anyone who wants to put up a hosted corporate intranet, wiki, project workspace, or extranet. |
Enterprise + Technical Teams |
Business Enterprises |
interest groups, education, small companies, social groups, individuals |
| Hosting Features | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Storage Quota |
from 25MB and up |
10 to 100GB+ |
No limit |
2GB - Unlimited |
| Bandwidth Quota |
unlimited |
100GB/month |
No limit |
no limit set |
| Other Limits |
Depends on plan |
No |
None |
none |
| Topic Restrictions |
No |
No |
None |
per terms of service |
| Corporate Branding |
 Yes |
Yes |
Yes |
Yes |
| Own Domain |
Yes |
 Optional |
Yes |
Yes |
| Ads allowed |
Yes |
Yes |
Yes |
Yes |
| System Requirements | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Operating System |
does not apply | Windows, Mac, Linux and Unix variants |
does not apply | does not apply |
| Root Access |
does not apply | No |
does not apply | does not apply |
| Webserver |
does not apply | Apache Tomcat |
does not apply | does not apply |
| Other Requirements |
does not apply | Oracle JDK 1.6.0_4+ |
does not apply | does not apply |
| Datastorage | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Text Files |
does not apply | No |
does not apply | does not apply |
| MySQL |
does not apply | Yes |
does not apply | does not apply |
| PostgreSQL |
does not apply | Yes |
does not apply | does not apply |
| Oracle |
does not apply | Yes |
does not apply | does not apply |
| SQLite |
does not apply | No |
does not apply | does not apply |
| BerkeleyDB |
does not apply | No |
does not apply | does not apply |
| RCS |
does not apply | No |
does not apply | does not apply |
| Other |
does not apply | PostgreSQL, MySQL, Oracle, DB2, Microsoft SQL Server |
does not apply | does not apply |
| Security/Anti-Spam | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Page Permissions |
Yes |
Yes |
Yes |
Yes |
| ACL |
No |
Yes |
Yes |
Yes |
| Authentication Backends |
does not apply | LDAP, NTLM, Siteminder, CAS and more |
does not apply | does not apply |
| Host Blocking |
No |
No |
Optional |
No |
| Mail Encryption |
|
Optional |
No |
No |
| nofollow |
No |
Optional |
No |
Yes |
| Blacklist |
|
No |
Optional |
No |
| CAPTCHA |
Yes |
Yes |
No |
Yes |
| Delayed Indexing |
|
No |
No |
No |
| Development/Support | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Commercial Support |
Yes, 2 listed |
Yes, 34 listed |
Yes, 2 listed |
Yes, 2 listed |
| Preconfigured Hosting |
does not apply | Yes |
does not apply | does not apply |
| Code Repository |
does not apply | Source included with commercial license |
does not apply | does not apply |
| Issue Tracker |
|
jira.atlassian.com |
|
www.wikispaces.com |
| Mailing List |
|
www.atlassian.com |
|
n/a |
| Support Forum |
forum.centraldesktop.com |
answers.atlassian.com |
getsatisfaction.com |
www.wikispaces.com |
| IRC Channel |
|
Jabber MUC at chat.atlassian.com |
|
n/a |
| Common Features | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Preview |
Yes |
Yes |
Yes |
Yes |
| Minor Changes |
Yes |
Yes |
Yes |
No |
| Change Summary |
No |
Yes |
Yes |
Yes |
| Page History |
Yes |
Yes |
Yes |
Yes |
| Page Revisions |
Unlimited |
Unlimited |
Unlimited |
Unlimited |
| Revision Diffs |
Between all |
Between all |
Between all |
Between all |
| Page Index |
Yes |
Yes |
Yes |
Yes |
| Plugin System |
|
Yes |
Yes |
No |
| Special Features | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Unicode Support |
Yes |
Yes |
Yes |
Yes |
| Right-to-Left Support |
|
No |
Yes |
Yes |
| Interface Languages |
Not localized |
15 languages Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional |
Not localized |
8 languages Welsh, German, English, Spanish, Basque, French, Italian, Polish |
| Email notification |
Yes |
Yes |
Yes |
Yes |
| Comments |
Flat |
Threaded |
Threaded |
Discussion Pages |
| Categories |
Yes |
Yes |
Yes |
Yes |
| Namespaces |
Yes |
Yes |
Yes |
Yes |
| Page Redirection |
Yes |
 Plugin |
Plugin |
Yes |
| Conflict Handling |
Conflict Resolution |
Conflict Resolution |
Page Locking |
Conflict Resolution |
| Search |
Full Text |
Full Text |
Full Text |
Full Text |
| Wiki Farming |
does not apply | Yes |
does not apply | does not apply |
| Structured Data |
|
Plugin |
Plugin |
No |
| Links | CentralDesktop | Confluence | PBwiki | Wikispaces |
| CamelCase |
Optional |
Yes |
Yes |
No |
| Freelinks |
Yes |
Yes |
Yes |
Yes |
| Backlinks |
No |
Yes |
Yes |
Yes |
| InterWiki |
Yes |
Optional |
Yes |
Yes |
| SisterWiki |
Yes |
No |
Yes |
Yes |
| Image Links |
Yes |
Yes |
Yes |
Yes |
| Windows Shares |
Yes |
Yes |
Optional |
Yes |
| Page Redirects |
|
Plugin |
|
Yes |
| Syntax Features | CentralDesktop | Confluence | PBwiki | Wikispaces |
| HTML Tags |
Some |
Optional |
All |
Optional |
| Math formulas |
No |
Plugin |
Yes |
Yes |
| Tables |
simple + complex |
simple + complex |
simple + complex |
complex |
| CREOLE support |
|
No |
No |
No |
| Markdown Support |
No |
No |
No |
No |
| Textile Support |
No |
Yes |
No |
No |
| BBCode Support |
No |
No |
No |
No |
| Emoticon Images |
No |
Yes |
Yes |
No |
| Syntax Highlighting |
Yes |
Yes |
Yes |
Yes |
| Footnotes |
No |
Plugin |
Yes |
Yes |
| Quoting |
Yes |
Yes |
Yes |
Yes |
| Internal Comments |
Yes |
Plugin |
Yes |
No |
| Custom styles |
Yes |
Yes |
Yes |
Yes |
| FAQ Tags |
No |
Yes |
Yes |
No |
| Scripting |
html/css/templating |
Macros, plugins, widgets, JavaScript and more |
Javascript |
yes: javascript |
| Content Includes |
Yes |
Yes |
Plugin |
Yes |
| Feed Aggregation |
Yes |
Yes |
Yes |
Yes |
| Usability | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Section Editing |
Yes |
No |
Plugin |
Yes |
| Page Templates |
Yes |
Yes |
Yes |
Yes |
| Double-Click Edit |
Optional |
No |
No |
No |
| Toolbar |
Yes |
Yes |
Yes |
Yes |
| WYSIWYG Editing |
Yes |
Yes |
Yes |
Yes |
| Access Keys |
Yes |
Yes |
Yes |
No |
| Auto Signature |
Yes |
No |
No |
Yes |
| Statistics | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Recent Changes |
Yes |
Yes |
Yes |
Yes |
| Wanted Pages |
No |
Yes |
Optional |
Yes |
| Orphaned Pages |
No |
Yes |
No |
Yes |
| Most/Least Popular |
Yes |
Yes |
Yes |
Yes |
| Recent Visitors |
Yes |
No |
Yes |
No |
| Analysis |
Optional |
Yes |
Optional |
Yes |
| Output | CentralDesktop | Confluence | PBwiki | Wikispaces |
| HTML |
HTML 4 |
HTML 4 |
HTML 4 |
XHTML 1.0 Transitional |
| CSS Stylesheets |
Yes |
Yes |
Yes |
Yes |
| Printer Friendly |
Print View |
Print CSS |
Print CSS |
Print View |
| Mobile Friendly |
Yes |
Plugin |
Yes |
Yes |
| Themes & Skins |
Optional |
Yes |
Yes |
Yes |
| RSS Feeds |
Yes |
Yes |
Yes |
Yes |
| ATOM Feeds |
Yes |
Yes |
Yes |
Yes |
| Abbreviations |
Yes |
No |
Yes |
No |
| Auto-TOC |
Yes |
Yes |
Yes |
Yes |
| Raw Export |
Yes |
Yes |
Yes |
Yes |
| HTML Export |
Yes |
Yes |
Yes |
Yes |
| XML export |
Yes |
Yes |
Yes |
No |
| PDF Export |
Yes |
Yes |
Yes |
Yes |
| Media and Files | CentralDesktop | Confluence | PBwiki | Wikispaces |
| File Attachments |
Yes |
Yes |
Yes |
Yes |
| Media Revisions |
Yes |
Yes |
Yes |
Yes |
| Embedded Flash |
Yes |
Yes |
Yes |
Yes |
| Embedded Video |
Yes |
Yes |
Yes |
Yes |
| Image Editing |
No |
Plugin |
Yes |
No |
| SVG Editing |
No |
Plugin |
Yes |
No |
| MindMap Editing |
No |
Plugin |
Yes |
No |
| Media Search |
Contents |
Contents |
Contents |
Filenames only |
| Extras | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Calendar |
Yes |
Plugin |
Yes |
Plugin |
| Image Galleries |
Yes |
Yes |
Yes |
Plugin |
| Forums |
Yes |
Plugin |
Plugin |
Yes |
| Blogs |
Yes |
Yes |
Optional |
No |
| Ticket System |
|
Plugin |
Plugin |
No |
| Syntax Examples | CentralDesktop | Confluence | PBwiki | Wikispaces |
| Internal Link |
WikiPage |
[Page Title] [Link Title|Page Title#anchor] [~username] [^attachment.doc] |
CamelCaseLink or [Free Link] |
[[pagename]] or [[pagename|alias]] or [[spacename:pagename]] |
| External Link |
http://www.example.com |
[http://www.example.com] [Link Title|http://www.example.com] [Shortcut Link|PageName@otherwiki] |
[http://www.externallink.com] |
[[http://somewhere.else]] [[http://somewhere.else|alias]] or http://somewhere.else |
| Headlines |
<h1>headline1</h1> <h2>headline1</h2> |
h1. Top Level Heading h2. Smaller Heading h6. Smallest Heading |
! Level 1 !! Level 2 !!! Level 3 !!!! Level 4 !!!!! Level 5 !!!!!! Level 6 |
= Headline 1 = == Headline 2 == === Headline 3 === |
| Bold Format |
<b>text</b> |
*bold* |
**bold** |
**bold** |
| Italics Format |
<i>text</i> |
_italics_ |
''italics'' |
//italics// |
| Underline Format |
<u>text</u> |
+underline+ |
__underline__ |
__underline__ |
| Monospace Format |
<pre>text</pre> |
{{monospace}} |
<code>monospace</code> |
{{monospace}} |
| Strikethrough Format |
<strike>text</strike> |
-strikethrough- |
-strikethrough- |
via editor tool |
| Superscript Format |
<sup>superscript</sup> |
^superscript^ |
<sup>superscript</sup> |
via editor tool |
| Subscript Format |
<sub>subscript</sub> |
~subscript~ |
<sub>subscript</sub> |
via editor tool |
| Images |
<img src="image.gif" /> |
!attached-image.jpg! !Other Page^attached-image.jpg|thumbnail! !http://example.com/external-image.jpg! |
[http://www.imagelocation.com/image.jpg |
[[image:image.jpg]] |
| Aligning Text |
<span align="right">text</span> |
{html}<div align="right">{html} |
<left>, <center>, <right> |
via editor tool |
| Text Indentation |
|
|
|
> indent |
| Bulleted Lists |
<ul> <li>test</li> </ul> |
* one ** one-two * two * three |
* Bullet #1 * Bullet #2 ** SubBullet #1 |
* one * two ** sub-two * three |
| Numbered Lists |
<ol> <li>test</li> </ol> |
# one ## one-two # two # three |
# Number #1 # Number #2 |
# one # two ## sub-two # three |
| Definition Lists |
|
|
<dl> </dl> |
|
| Horizontal Rule |
<hr> |
---- |
--- |
---- |
| Last updated | 2011-11-07 | 2011-09-19 | 2010-08-16 | 2010-10-20 |
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