WackoWiki vs. WikiNi vs. Wikidot vs. ikiwiki

General Features WackoWiki WikiNi Wikidot ikiwiki
Version
6.3.0
0.5.0
2.67
Last Release Date
2026-07-18 (1 month ago)
2007-04-12 (19 years ago)
2008-10-17 (17 years ago)
Last Update here
2026-07-18 (1 month ago)
2009-02-10 (17 years ago)
2009-12-09 (16 years ago)
2008-10-28 (17 years ago)
Author
WackoWiki Team
Michal Frackowiak
Joey Hess and the ikiwiki community
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
GPL
AGPLv3
GPL
Programming Language
PHP
PHP
Perl
Data Storage
Database
Database
Database
Files, RCS
License Cost/ Fee
0
0 ($, €, £, ¥, ...)
Free / Paid Accounts (starts from $5 per month)
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
End Users/Desktop, Education
companies, private users, social groups and communities, software developers, tech geeks
Anyone
Hosting Features WackoWiki WikiNi Wikidot ikiwiki
Storage Quota
N/A
N/A
1500MB for free users, more for Pro accounts
N/A
Bandwidth Quota
N/A
N/A
no limit
N/A
Other Limits
N/A
N/A
max uploaded file size limit
N/A
Topic Restrictions
N/A
N/A
by Terms Of Service
N/A
Corporate Branding
N/A
N/A
Yes
N/A
Own Domain
N/A
N/A
Yes
N/A
Ads allowed
N/A
N/A
Yes
N/A
System Requirements WackoWiki WikiNi Wikidot ikiwiki
Operating System
OS Independent
all (UNIX, Windows, MacOS X)
Any
Root Access
No
No
No
No
Webserver
run with the appserver/webserver of your choice
Any, or none
Other Requirements
mod_rewrite (optional)
Datastorage WackoWiki WikiNi Wikidot ikiwiki
Text Files
No
No
Unknown
Yes
MySQL
Yes
Yes
Unknown
No
PostgreSQL
No
No
Yes
No
Oracle
No
No
Unknown
No
SQLite
Yes
No
Unknown
No
BerkeleyDB
No
No
Unknown
No
RCS
No
No
Unknown
Yes
Other
MariaDB
Security/Anti-Spam WackoWiki WikiNi Wikidot ikiwiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
Optional
Unknown
Yes
Yes
Mail Encryption
Optional
Unknown
No
Yes
nofollow
Optional
No
Yes
No
Blacklist
Yes
No
Yes
Yes
CAPTCHA
Yes
Patch
Yes
No
Delayed Indexing
No
No
Yes
No
Development/Support WackoWiki WikiNi Wikidot ikiwiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
55 ⭐
N/A
N/A
N/A
Common Features WackoWiki WikiNi Wikidot ikiwiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
No
Yes
No
Change Summary
Yes
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Restricted by Age
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin
Plugin System
Yes
Yes
No
Yes
Special Features WackoWiki WikiNi Wikidot ikiwiki
Unicode Support
Yes
No
Yes
Yes
Right-to-Left Support
Yes
Unknown
Yes
Yes
Interface Languages
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
1
French
2
English, Polish
1
English
Email notification
Yes
Plugin
Yes
Yes
Comments
Flat
Threaded
Threaded
Discussion Pages
Categories
Yes
Unknown
Yes
Plugin
Namespaces
Yes
Patch
Yes
Yes
Conflict Handling
Page Locking
Conflict Detection
Page Locking
Conflict Resolution
Concurrent Editing
No
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Patch
Unknown
Yes
Yes
Structured Data
Plugin
Unknown
Yes
Unknown
Links WackoWiki WikiNi Wikidot ikiwiki
CamelCase
Optional
Yes
No
Plugin
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Plugin
SisterWiki
No
No
No
Plugin
Image Links
Yes
Unknown
Yes
Yes
Windows Shares
Yes
No
No
Yes
Page Redirects
Yes
Unknown
Yes
Unknown
Syntax Features WackoWiki WikiNi Wikidot ikiwiki
HTML Tags
All
Optional
None
Optional
Math formulas
Plugin
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
No
No
Markdown Support
No
No
No
Yes
Textile Support
No
No
No
Plugin
BBCode Support
Patch
No
No
No
Emoticon Images
Yes
No
No
Plugin
Syntax Highlighting
Yes
Yes
Yes
Plugin
Footnotes
Yes
Plugin
Yes
No
Quoting
Yes
Unknown
Yes
Yes
Internal Comments
Yes
Unknown
Yes
Yes
Custom styles
Yes
Patch
Yes
Yes
FAQ Tags
No
No
No
Yes
Scripting
actions (PHP)
CSS styles, embeddable JavaScript, reporting language
safe subset of HTML::Template supported via template plugin
Content Includes
Yes
Yes
Yes
Plugin
Feed Aggregation
Yes
Patch
Yes
Plugin
Usability WackoWiki WikiNi Wikidot ikiwiki
Section Editing
Yes
No
Yes
No
Page Templates
Yes
No
Yes
Yes
Double-Click Edit
Yes
Yes
No
No
Toolbar
Yes
Patch
Yes
No
WYSIWYG Editing
Plugin
No
No
No
Access Keys
Yes
Yes
Yes
No
Auto Signature
Yes
No
Yes
No
Statistics WackoWiki WikiNi Wikidot ikiwiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Plugin
Orphaned Pages
Yes
Yes
Yes
Plugin
Most/Least Popular
Yes
No
No
No
Recent Visitors
Yes
No
No
No
Analysis
Plugin
No
Yes
No
Output WackoWiki WikiNi Wikidot ikiwiki
Printer Friendly
Print View
Print CSS
Print View
Print CSS
Mobile Friendly
Yes
Unknown
Optional
Yes
Themes & Skins
Yes
Optional
Yes
Yes
RSS Feeds
Yes
Yes
Yes
Plugin
ATOM Feeds
No
No
No
Plugin
Abbreviations
Patch
No
No
No
Auto-TOC
Yes
Unknown
Yes
Plugin
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
No
No
Yes
XML export
Yes
No
No
No
PDF Export
Patch
Plugin
No
No
Office Export
Patch
Unknown
Unknown
Unknown
Media and Files WackoWiki WikiNi Wikidot ikiwiki
File Attachments
Yes
Plugin
Yes
Yes
Media Revisions
No
Unknown
No
Yes
Embedded Flash
Yes
Plugin
Yes
Optional
Embedded Video
Yes
Plugin
Yes
Optional
Image Editing
No
No
No
No
SVG Editing
No
No
No
No
MindMap Editing
Plugin
No
No
No
Media Search
Contents
No
No
Filenames only
Extras WackoWiki WikiNi Wikidot ikiwiki
Calendar
Plugin
Unknown
Optional
Plugin
Image Galleries
Plugin
Unknown
Yes
Plugin
Presentations
Plugin
Unknown
Unknown
Unknown
Forums
Optional
Unknown
Yes
Unknown
Blogs
Optional
Unknown
Yes
Yes
Ticket System
No
Unknown
Yes
Yes
Chat
Patch
Unknown
Unknown
Unknown
Syntax Examples WackoWiki WikiNi Wikidot ikiwiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
wiki word (XxxXxxxxx)
[[[page-name]]] or
[[[page-name|anchor]]]
[[internal]]
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[[ ]]
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
[link text](http://example.org)
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
====== ====== level 1
===== ===== level 2
==== ==== level 3
=== === level 4
== == level 5

+++ headline level 3
Two syntaxes:

# heading 1
## heading 2
### heading 3

heading 1
=========

heading 2
---------
Bold Format
**bold**
** **
**bold text**
**bold**
__bold__
Italics Format
//italics//
// //
//italic text//
*emphasized*
_emphasized_
Underline Format
__underline__
__ __
__underlined text__
via HTML: <u>underlined</u>
Monospace Format
##monospace##
## ##
{{monospaced text}}
`inline monospace`

indented block of
monospaced text

tab-indented
block
Strikethrough Format
--strikethrough--
@@ @@
--strikethrough text--
via HTML: <del>deleted</del>
Superscript Format
^^superscript^^
^^superscript^^
via HTML: x<sup>2</sup>
Subscript Format
,,subscript,,
,,subscript,,
via HTML: a<sub>1</sub>
Images
((image.png))
file:image.png
https://example.com/image.png
[[image src="..."]]
![alt text](internal/image)
![alt text](http://example.org/external/image)
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
= Centered line
Text Indentation
one
two
[space] level 1
[space][space] level 2
[space][space][...] level X
> First level of indentation
>> Second level of indentation.
Bulleted Lists
*one
**One-two
*two
*three
-
-
-
* element 1
* element 2
* item 1
* item 2
* item 2.1
* item 2.2
Numbered Lists
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


1)
1)
1)
# element 1
# element 1
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
: item : description
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
Horizontal Rule
----
----
----
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
remove WackoWiki remove WikiNi remove Wikidot remove ikiwiki