Confluence vs. DokuWiki vs. Instiki vs. WackoWiki

General Features Confluence DokuWiki Instiki WackoWiki
Version
5.2
2025-05-14b "Librarian"
0.30.0
6.2.1
Last Release Date
2013-08-13 (12 years ago)
2025-09-09 (9 months ago)
2019-03-01 (7 years ago)
2026-03-03 (3 months ago)
Last Update here
2013-08-22 (12 years ago)
2026-03-25 (2 months ago)
2019-03-04 (7 years ago)
2026-04-25 (1 month ago)
Author
Atlassian
Andreas Gohr
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
WackoWiki Team
URL
Free and Open Source
No
Yes
Yes
Yes
License
Commercial + Free personal/open source project/community use
GPL 2
Ruby's
BSD
Programming Language
Java
PHP
Ruby on Rails
PHP
Data Storage
Database
Files
Database
Database
License Cost/ Fee
starting at US $10 installed (unlimited wikis)
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Enterprise + Technical Teams
personal, small to medium companies
general, education
Advanced End Users, Developers, End Users/Desktop
Hosting Features Confluence DokuWiki Instiki WackoWiki
Storage Quota
Unlimited
N/A
N/A
N/A
Bandwidth Quota
N/A
N/A
N/A
Other Limits
No
N/A
N/A
N/A
Topic Restrictions
No
N/A
N/A
N/A
Corporate Branding
Yes
N/A
N/A
N/A
Own Domain
Optional
N/A
N/A
N/A
Ads allowed
No
N/A
N/A
N/A
System Requirements Confluence DokuWiki Instiki WackoWiki
Operating System
Windows, Linux and Unix variants
Linux, UNIX, Windows, MacOS X, probably others
UNIX, Windows, MacOS X
OS Independent
Root Access
No
No
No
No
Webserver
Apache Tomcat
Apache, IIS, Nginx, Lighttpd, anything with PHP support
Thin (included), or Apache/NGinx (via Passenger)
run with the appserver/webserver of your choice
Other Requirements
Oracle JDK 1.6.0_4+
Ruby 2.0-2.6
mod_rewrite (optional)
Datastorage Confluence DokuWiki Instiki WackoWiki
Text Files
No
Yes
No
No
MySQL
Yes
No
Yes
Yes
PostgreSQL
Yes
No
Yes
No
Oracle
Yes
No
Plugin
No
SQLite
No
No
Yes
Yes
BerkeleyDB
No
No
No
No
RCS
No
No
No
No
Other
None
Any Rails-compatible back-end datastore can be used.
MariaDB
Security/Anti-Spam Confluence DokuWiki Instiki WackoWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
No
Yes
Authentication Backends
LDAP, NTLM, Siteminder, CAS and more
Textfile, LDAP, MySQL, PostgreSQL, ActiveDirectory
LDAP (patch), ActiveDirectory
Host Blocking
No
Plugin
Yes
Optional
Mail Encryption
Optional
Optional
Unknown
Optional
nofollow
Optional
Optional
Unknown
Optional
Blacklist
No
Optional
Yes
Yes
CAPTCHA
Yes
Plugin
Unknown
Yes
Delayed Indexing
No
Optional
Unknown
No
Development/Support Confluence DokuWiki Instiki WackoWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
4631 ⭐
506 ⭐
54 ⭐
Common Features Confluence DokuWiki Instiki WackoWiki
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
Sitemap
Yes
Yes
Yes
Yes
Plugin System
Yes
Yes
No
Yes
Special Features Confluence DokuWiki Instiki WackoWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
No
Yes
Yes
Yes
Interface Languages
15
Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional
68
Afrikaans, Arabic, Azerbaijani, Byelorussian, Bulgarian, Bengali; Bangla, Catalan, Czech, Welsh, Danish, German, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Faroese, French, Frisian, Galician, Hebrew, Hindi, Croatian, Hungarian, Interlingua, Indonesian, Icelandic, Italian, Japanese, Georgian, Kazakh, Cambodian, Kannada, Korean, Kurdish, Latin, Lithuanian, Latvian, Lettish, Malagasy, Macedonian, Malayalam, Marathi, Malay, Nepali, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Albanian, Serbian, Swedish, Tamil, Thai, Turkish, Ukrainian, Uzbek, Vietnamese, Chinese, Chinese Traditional
1
English
34
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Thai, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
Email notification
Yes
Optional
No
Yes
Comments
Threaded
Plugin
No
Flat
Categories
Yes
Plugin
Yes
Yes
Namespaces
Yes
Yes
No
Yes
Conflict Handling
Conflict Resolution
Page Locking
Page Locking
Page Locking
Concurrent Editing
Unknown
No
Unknown
No
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Plugin
Yes
Patch
Structured Data
Plugin
Plugin
No
Plugin
Links Confluence DokuWiki Instiki WackoWiki
CamelCase
Yes
Optional
Optional
Optional
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Optional
Yes
Yes
Yes
SisterWiki
No
No
No
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
No
Yes
Page Redirects
Plugin
Plugin
Yes
Yes
Syntax Features Confluence DokuWiki Instiki WackoWiki
HTML Tags
Optional
Optional
All
All
Math formulas
Plugin
Plugin
Yes
Plugin
Tables
simple + complex
simple
simple + complex
simple + complex
CREOLE support
No
Plugin
No
No
Markdown Support
No
Plugin
Yes
No
Textile Support
Yes
Plugin
Yes
No
BBCode Support
No
Plugin
No
Patch
Emoticon Images
Yes
Yes
No
Yes
Syntax Highlighting
Yes
Yes
Yes
Yes
Footnotes
Plugin
Yes
Yes
Yes
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Plugin
Plugin
Yes
Yes
Custom styles
Yes
Plugin
Yes
Yes
FAQ Tags
Yes
Plugin
No
No
Scripting
Macros, plugins, widgets, JavaScript and more
Optional, PHP
None
actions (PHP)
Content Includes
Yes
Plugin
Yes
Yes
Feed Aggregation
Yes
Yes
No
Yes
Usability Confluence DokuWiki Instiki WackoWiki
Section Editing
No
Yes
No
Yes
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
No
Plugin
No
Yes
Toolbar
Yes
Yes
No
Yes
WYSIWYG Editing
Yes
Plugin
No
Plugin
Access Keys
Yes
Yes
Yes
Yes
Auto Signature
No
Yes
Yes
Yes
Statistics Confluence DokuWiki Instiki WackoWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Plugin
Yes
Yes
Orphaned Pages
Yes
Plugin
Yes
Yes
Most/Least Popular
Yes
Plugin
No
Yes
Recent Visitors
No
Plugin
No
Yes
Analysis
Yes
Plugin
No
Plugin
Output Confluence DokuWiki Instiki WackoWiki
Printer Friendly
Print CSS
Print CSS
Print View
Print View
Mobile Friendly
Plugin
Yes
Yes
Yes
Themes & Skins
Yes
Yes
No
Yes
RSS Feeds
Yes
Yes
No
Yes
ATOM Feeds
Yes
Yes
Yes
No
Abbreviations
No
Yes
Yes
Patch
Auto-TOC
Yes
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
XML export
Yes
No
No
Yes
PDF Export
Yes
Plugin
No
Patch
Office Export
Unknown
Plugin
Unknown
Patch
Media and Files Confluence DokuWiki Instiki WackoWiki
File Attachments
Yes
Yes
Yes
Yes
Media Revisions
Yes
Yes
No
No
Embedded Flash
Yes
Yes
No
Yes
Embedded Video
Yes
Yes
Yes
Yes
Image Editing
Plugin
No
No
No
SVG Editing
Plugin
Plugin
Yes
No
MindMap Editing
Plugin
Plugin
No
Plugin
Media Search
Contents
Filenames only
No
Contents
Extras Confluence DokuWiki Instiki WackoWiki
Calendar
Plugin
Plugin
No
Plugin
Image Galleries
Yes
Plugin
No
Plugin
Presentations
Unknown
Plugin
Unknown
Plugin
Forums
Plugin
No
No
Optional
Blogs
Yes
Plugin
No
Optional
Ticket System
Plugin
Plugin
No
No
Chat
Unknown
No
Unknown
Patch
Syntax Examples Confluence DokuWiki Instiki WackoWiki
Internal Link
[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]
[[a Link]]
[[namespace:link]]
[[link|With a Title]]
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
External Link
[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]
[[http://example.com]]
[[http://example.com|With a Title]]
[another site](http://example.com)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
Headlines
h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
Bold Format
*bold*
**bold**
**bold**
**bold**
Italics Format
_italics_
//italics//
_italic_, *italic*
//italics//
Underline Format
+underline+
__underlined__
underlined
{: style='text-decoration:underlined'}
__underline__
Monospace Format
{{monospace}}
''monospace''
`monospace`
##monospace##
Strikethrough Format
-strikethrough-
<del>strikethrough</del>
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
--strikethrough--
Superscript Format
^superscript^
<sup>superscript</sup>
<sup>superscript</sup>
^^superscript^^
Subscript Format
~subscript~
<sub>subscript</sub>
<sub>subscript</sub>
,,subscript,,
Images
{{local.jpg}}
{{http://foo.bar/baz.jpg}}
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
((image.png))
file:image.png
https://example.com/image.png
Aligning Text
Plugin
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
Text Indentation
N/A
p
{: style='margin-left:3em'}

> blockquote
one
two
Bulleted Lists
* one
** one-two
* two
* three
* item 1
* item 1.1
* item 2
* Item 1
** Item 1.1
* Item 2
*one
**One-two
*two
*three
Numbered Lists
# one
## one-two
# two
# three
- item 1
- item 1.1
- item 2
1. Item 1
1. Item 1.1
2. Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


Definition Lists
Plugin
term
: definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
Horizontal Rule
----
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***
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remove Confluence remove DokuWiki remove Instiki remove WackoWiki