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Compare them all:
Wikis
Forums
Podcatchers
Weblogs
Feature Comparison
| General Features | Confluence  | MediaWiki | Instiki | ScrewTurn Wiki |
|---|---|---|---|---|
 Version |
 4.0 |
1.17.0 |
0.19.3 |
3.0.5.600 |
| Last Release Date |
19th September, 2011 |
2011-06-22 |
2011-08-31 |
2011/07/12 |
| Author |
Atlassian |
Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, and others. |
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz |
Threeplicate Srl |
| URL |
www.atlassian.com |
www.mediawiki.org |
golem.ph.utexas.edu |
www.screwturn.eu |
| Free and Open Source |
 No |
 Yes |
Yes |
Yes |
| License |
Commercial + Free personal/open source project/community use |
GPL |
Ruby's |
GNU General Public License v2 |
| Programming Language |
Java |
PHP |
Ruby on Rails |
C#/ASP.NET 3.5 |
| Data Storage |
Database |
Database |
Database |
Files |
| License Cost/ Fee |
starting at US $10 installed (unlimited wikis) |
0 |
0 |
Free |
| Development status |
Mature |
Mature |
Mature |
Mature |
| Intended Audience |
Enterprise + Technical Teams |
End Users/Desktop, Education |
general, education |
Anyone |
| Hosting Features | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Storage Quota |
10 to 100GB+ |
does not apply | does not apply | does not apply |
| Bandwidth Quota |
100GB/month |
does not apply | does not apply | does not apply |
| Other Limits |
No |
does not apply | does not apply | does not apply |
| Topic Restrictions |
No |
does not apply | does not apply | does not apply |
| Corporate Branding |
Yes |
does not apply | does not apply | does not apply |
| Own Domain |
 Optional |
does not apply | does not apply | does not apply |
| Ads allowed |
Yes |
does not apply | does not apply | does not apply |
| System Requirements | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Operating System |
Windows, Mac, Linux and Unix variants |
*nix, Windows, Mac OS X |
UNIX, Windows, MacOS X |
Microsoft Windows (any NT version) |
| Root Access |
No |
No |
|
Yes |
| Webserver |
Apache Tomcat |
Any with PHP support |
Mongrel (included), or Apache/NGinx (via Passenger) |
Microsoft IIS (5/6/7) |
| Other Requirements |
Oracle JDK 1.6.0_4+ |
none |
Ruby 1.8.6, 1.8.7 or 1.9.2; Rubygems 1.3.6 or later |
ASP.NET 3.5 (.NET 3.5) |
| Datastorage | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Text Files |
No |
No |
No |
Yes |
| MySQL |
Yes |
Yes |
Yes |
 Plugin |
| PostgreSQL |
Yes |
Yes |
Yes |
No |
| Oracle |
Yes |
Yes |
Plugin |
No |
| SQLite |
No |
Yes |
Yes |
No |
| BerkeleyDB |
No |
No |
No |
No |
| RCS |
No |
No |
No |
No |
| Other |
PostgreSQL, MySQL, Oracle, DB2, Microsoft SQL Server |
No |
Any Rails-compatible back-end datastore can be used. |
Microsoft SQL Server (Plugin) |
| Security/Anti-Spam | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Page Permissions |
Yes |
Yes |
Yes |
Yes |
| ACL |
Yes |
No |
No |
Yes |
| Authentication Backends |
LDAP, NTLM, Siteminder, CAS and more |
Yes |
|
Active Directory |
| Host Blocking |
No |
Yes |
Yes |
Yes |
| Mail Encryption |
Optional |
Plugin |
|
No |
| nofollow |
Optional |
Optional |
|
No |
| Blacklist |
No |
Yes |
Yes |
No |
| CAPTCHA |
Yes |
Plugin |
|
Yes |
| Delayed Indexing |
No |
No |
|
No |
| Development/Support | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Commercial Support |
Yes, 34 listed |
Yes, 63 listed |
No |
Yes, 1 listed |
| Preconfigured Hosting |
Yes |
Yes |
|
Yes |
| Code Repository |
Source included with commercial license |
svn.wikimedia.org |
golem.ph.utexas.edu |
bitbucket.org |
| Issue Tracker |
jira.atlassian.com |
bugzilla.wikimedia.org |
bug.to |
threeplicate.codebasehq.com |
| Mailing List |
www.atlassian.com |
lists.wikimedia.org |
rubyforge.org |
|
| Support Forum |
answers.atlassian.com |
mwusers.com |
rubyforge.org |
www.screwturn.eu |
| IRC Channel |
Jabber MUC at chat.atlassian.com |
www.mediawiki.org |
|
|
| Common Features | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Preview |
Yes |
Yes |
No |
Yes |
| Minor Changes |
Yes |
Yes |
Yes |
Yes |
| Change Summary |
Yes |
Yes |
No |
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 |
Yes |
| Special Features | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Unicode Support |
Yes |
Yes |
Yes |
Yes |
| Right-to-Left Support |
No |
Yes |
Yes |
Yes |
| Interface Languages |
15 languages Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional |
140 languages Afar, Abkhazian, Afrikaans, Amharic, Arabic, Assamese, Aymara, Azerbaijani, Bashkir, Byelorussian, Bulgarian, Bihari, Bislama, Bengali; Bangla, Tibetan, Breton, Catalan, Corsican, Czech, Welsh, Danish, German, Bhutani, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Fiji, Faroese, French, Frisian, Irish, Scots Gaelic, Galician, Guarani, Gujarati, Hausa, Hebrew, Hindi, Croatian, Hungarian, Armenian, Interlingua, Indonesian, Interlingue, Inupiak, Icelandic, Italian, Inuktitut, Japanese, Georgian, Kazakh, Greenlandic, Cambodian, Kannada, Korean, Kashmiri, Kurdish, Kirghiz, Latin, Lingala, Laothian, Lithuanian, Latvian, Lettish, Malagasy, Maori, Macedonian, Malayalam, Mongolian, Moldavian, Marathi, Malay, Maltese, Burmese, Nauru, Nepali, Dutch, Norwegian, Occitan, Oromo, Oriya, Punjabi, Polish, Pashto, Pushto, Portuguese, Brazilian Portuguese, Quechua, Rhaeto-Romance, Kirundi, Romanian, Russian, Kinyarwanda, Sanskrit, Sindhi, Sangho, Serbo-Croatian, Sinhalese, Slovak, Slovenian, Samoan, Shona, Somali, Albanian, Serbian, Siswati, Sesotho, Sundanese, Swedish, Swahili, Tamil, Telugu, Tajik, Thai, Tigrinya, Turkmen, Tagalog, Setswana, Tonga, Turkish, Tsonga, Tatar, Twi, Uighur, Ukrainian, Urdu, Uzbek, Vietnamese, Volapuk, Wolof, Xhosa, Yiddish, Yoruba, Zhuang, Chinese, Chinese Traditional, Zulu |
Not localized |
25 languages Danish, German, English, Spanish, Persian, French, Hungarian, Italian, Japanese, Korean, Latvian, Lettish, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovak, Serbian, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional |
| Email notification |
Yes |
Optional |
No |
Yes |
| Comments |
Threaded |
Discussion Pages |
No |
Threaded |
| Categories |
Yes |
Yes |
Yes |
Yes |
| Namespaces |
Yes |
Yes |
No |
Yes |
| Page Redirection |
Plugin |
Yes |
Yes |
Yes |
| Conflict Handling |
Conflict Resolution |
Conflict Resolution |
Page Locking |
Page Locking |
| Search |
Full Text |
Full Text |
Full Text |
Full Text |
| Wiki Farming |
Yes |
Plugin |
Yes |
No |
| Structured Data |
Plugin |
Plugin |
No |
No |
| Links | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| CamelCase |
Yes |
No |
Optional |
No |
| Freelinks |
Yes |
Yes |
Yes |
Yes |
| Backlinks |
Yes |
Yes |
Yes |
No |
| InterWiki |
Optional |
Yes |
Yes |
No |
| SisterWiki |
No |
No |
No |
No |
| Image Links |
Yes |
Yes |
Yes |
Yes |
| Windows Shares |
Yes |
No |
No |
Yes |
| Page Redirects |
Plugin |
Yes |
Yes |
Yes |
| Syntax Features | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| HTML Tags |
Optional |
Some |
All |
All |
| Math formulas |
Plugin |
Yes |
Yes |
No |
| Tables |
simple + complex |
simple + complex |
simple + complex |
complex |
| CREOLE support |
No |
No |
No |
No |
| Markdown Support |
No |
No |
Yes |
No |
| Textile Support |
Yes |
No |
Yes |
No |
| BBCode Support |
No |
No |
No |
No |
| Emoticon Images |
Yes |
Optional |
No |
No |
| Syntax Highlighting |
Yes |
Plugin |
Yes |
No |
| Footnotes |
Plugin |
Yes |
Yes |
Plugin |
| Quoting |
Yes |
No |
Yes |
No |
| Internal Comments |
Plugin |
Yes |
Yes |
Yes |
| Custom styles |
Yes |
Yes |
Yes |
Yes |
| FAQ Tags |
Yes |
No |
No |
No |
| Scripting |
Macros, plugins, widgets, JavaScript and more |
Optional |
None |
|
| Content Includes |
Yes |
Yes |
Yes |
Yes |
| Feed Aggregation |
Yes |
Plugin |
No |
Plugin |
| Usability | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Section Editing |
No |
Yes |
No |
Yes |
| Page Templates |
Yes |
Yes |
No |
Yes |
| Double-Click Edit |
No |
Optional |
No |
Optional |
| Toolbar |
Yes |
Yes |
No |
Yes |
| WYSIWYG Editing |
Yes |
Plugin |
No |
Yes |
| Access Keys |
Yes |
Yes |
Yes |
No |
| Auto Signature |
No |
Yes |
Yes |
Yes |
| Statistics | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Recent Changes |
Yes |
Yes |
Yes |
Yes |
| Wanted Pages |
Yes |
Yes |
Yes |
Yes |
| Orphaned Pages |
Yes |
Yes |
Yes |
Yes |
| Most/Least Popular |
Yes |
Yes |
No |
No |
| Recent Visitors |
No |
Plugin |
No |
No |
| Analysis |
Yes |
Optional |
No |
No |
| Output | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| HTML |
HTML 4 |
XHTML 1.0 Transitional |
XHTML 1.1 |
XHTML 1.0 Transitional |
| CSS Stylesheets |
Yes |
Yes |
Yes |
Yes |
| Printer Friendly |
Print CSS |
Print CSS |
Print View |
Print View |
| Mobile Friendly |
Plugin |
No |
|
No |
| Themes & Skins |
Yes |
Yes |
No |
Yes |
| RSS Feeds |
Yes |
Yes |
No |
Yes |
| ATOM Feeds |
Yes |
Yes |
Yes |
No |
| Abbreviations |
No |
No |
Yes |
No |
| Auto-TOC |
Yes |
Yes |
Yes |
Yes |
| Raw Export |
Yes |
Yes |
Yes |
No |
| HTML Export |
Yes |
Yes |
Yes |
No |
| XML export |
Yes |
Yes |
No |
No |
| PDF Export |
Yes |
Plugin |
No |
No |
| Media and Files | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| File Attachments |
Yes |
Yes |
Yes |
Yes |
| Media Revisions |
Yes |
Yes |
No |
No |
| Embedded Flash |
Yes |
Plugin |
No |
Yes |
| Embedded Video |
Yes |
Plugin |
Yes |
Yes |
| Image Editing |
Plugin |
No |
No |
Yes |
| SVG Editing |
Plugin |
No |
Yes |
No |
| MindMap Editing |
Plugin |
Plugin |
No |
No |
| Media Search |
Contents |
Keywords |
No |
Filenames only |
| Extras | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Calendar |
Plugin |
Plugin |
No |
Plugin |
| Image Galleries |
Yes |
Yes |
No |
Plugin |
| Forums |
Plugin |
Plugin |
No |
No |
| Blogs |
Yes |
No |
No |
No |
| Ticket System |
Plugin |
No |
No |
No |
| Syntax Examples | Confluence | MediaWiki | Instiki | ScrewTurn Wiki |
| Internal Link |
[Page Title] [Link Title|Page Title#anchor] [~username] [^attachment.doc] |
[[a link]] [[a link|with title]] |
[[Some Page]] [[Some Page|anchor text]] |
[PageName] [PageName|Link title] -- or -- [[PageName]] [[PageName|Link title]] |
| External Link |
[http://www.example.com] [Link Title|http://www.example.com] [Shortcut Link|PageName@otherwiki] |
[http://example.org The title] |
[another site](http://example.com) |
[http://www.server.com] [http://www.server.com|Link title] [mail@server.com] -- or -- [[http://www.server.com]] [[http://www.server.com|Link title]] [[mail@server.com]] |
| Headlines |
h1. Top Level Heading h2. Smaller Heading h6. Smallest Heading |
==Section== ===Subsection=== ====Sub-subsection==== |
#Level 1# ##Level 2## ###Level 3### ####Level 4#### #####Level 5##### ######Level 6###### |
==H1== ===H2=== ====H3==== =====H4===== |
| Bold Format |
*bold* |
'''bold''' |
**bold** |
'''bold''' |
| Italics Format |
_italics_ |
''italic'' |
_italic_, *italic* |
''italic'' |
| Underline Format |
+underline+ |
<u>underlined</u> |
underlined
{: style='text-decoration:underlined'} |
__underline__ |
| Monospace Format |
{{monospace}} |
<tt>monospace</tt> |
`monospace` |
{{inline}}
@@block@@ |
| Strikethrough Format |
-strikethrough- |
<s>strikethrough</s> |
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'} |
--strike-- |
| Superscript Format |
^superscript^ |
<sup>superscript</sup> |
<sup>superscript</sup> |
<sup>superscript</sup> |
| Subscript Format |
~subscript~ |
<sub>subscript</sub> |
<sub>subscript</sub> |
<sub>subscript</sub> |
| Images |
!attached-image.jpg! !Other Page^attached-image.jpg|thumbnail! !http://example.com/external-image.jpg! |
[[Image:wiki.png]] |
, [[image.jpg|alt text:pic]] |
[image|url] [image|url|link] [imageleft/right|url|link] |
| Aligning Text |
{html}<div align="right">{html} |
<center>Centered</center> |
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'} |
|
| Text Indentation |
|
: indented line |
p
{: style='margin-left:3em'}
> blockquote |
: Single indentation :: Double indentation ... |
| Bulleted Lists |
* one ** one-two * two * three |
* Item 1 ** Item 1.2 * Item 2 |
* Item 1 ** Item 1.1 * Item 2 |
* Element * Element that spans multiple lines |
| Numbered Lists |
# one ## one-two # two # three |
# Item 1 ## Item 1.2 # Item 2 |
1. Item 1 |
# Element # Element that spans multiple lines |
| Definition Lists |
|
; term : definition |
term : definition |
|
| Horizontal Rule |
---- |
---- |
*** |
---- |
| Last updated | 2011-09-19 | 2011-06-22 | 2011-09-01 | 2011-07-12 |
