WikiNi vs. Wikidot vs. ikiwiki

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

+++ headline level 3
Two syntaxes:

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

heading 1
=========

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

indented block of
monospaced text

tab-indented
block
Strikethrough Format
@@ @@
--strikethrough text--
via HTML: <del>deleted</del>
Superscript Format
^^superscript^^
via HTML: x<sup>2</sup>
Subscript Format
,,subscript,,
via HTML: a<sub>1</sub>
Images
[[image src="..."]]
![alt text](internal/image)
![alt text](http://example.org/external/image)
Aligning Text
= Centered line
Text Indentation
[space] level 1
[space][space] level 2
[space][space][...] level X
> First level of indentation
>> Second level of indentation.
Bulleted Lists
-
-
-
* element 1
* element 2
* item 1
* item 2
* item 2.1
* item 2.2
Numbered Lists
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
: item : description
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
Horizontal Rule
----
----
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
remove WikiNi remove Wikidot remove ikiwiki