ikiwiki vs. KeheiWiki vs. Wiclear vs. Wikidot

General Features ikiwiki KeheiWiki Wiclear Wikidot
Version
2.67
Pleiades-M45
1.0
Last Release Date
2008-10-17 (17 years ago)
2005-03-22 (21 years ago)
2007-08-07 (18 years ago)
Last Update here
2008-10-28 (17 years ago)
2009-12-23 (16 years ago)
2007-09-16 (18 years ago)
2009-12-09 (16 years ago)
Author
Joey Hess and the ikiwiki community
team
David Jobet
Michal Frackowiak
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL
LGPL
GPL2
AGPLv3
Programming Language
Perl
Perl
PHP
Data Storage
Files, RCS
Files, RCS
Database
Database
License Cost/ Fee
0
0
0
Free / Paid Accounts (starts from $5 per month)
Development status
Mature
Mature
Mature
Mature
Intended Audience
Anyone
corporate and special interest groups
private users
companies, private users, social groups and communities, software developers, tech geeks
Hosting Features ikiwiki KeheiWiki Wiclear Wikidot
Storage Quota
N/A
N/A
N/A
1500MB for free users, more for Pro accounts
Bandwidth Quota
N/A
N/A
N/A
no limit
Other Limits
N/A
N/A
N/A
max uploaded file size limit
Topic Restrictions
N/A
N/A
N/A
by Terms Of Service
Corporate Branding
N/A
N/A
N/A
Yes
Own Domain
N/A
N/A
N/A
Yes
Ads allowed
N/A
N/A
N/A
Yes
System Requirements ikiwiki KeheiWiki Wiclear Wikidot
Operating System
Any
Unix/Linux
All
Root Access
No
No
No
No
Webserver
Any, or none
Apache 1.3 or better CGI (any level)
Apache
Other Requirements
perl 4 or newer
MySql
Datastorage ikiwiki KeheiWiki Wiclear Wikidot
Text Files
Yes
Yes
No
Unknown
MySQL
No
Plugin
Yes
Unknown
PostgreSQL
No
Plugin
No
Yes
Oracle
No
Plugin
No
Unknown
SQLite
No
Plugin
No
Unknown
BerkeleyDB
No
Plugin
No
Unknown
RCS
Yes
Plugin
No
Unknown
Other
archiving plugin, designed for unionFS
Security/Anti-Spam ikiwiki KeheiWiki Wiclear Wikidot
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
Apache
Host Blocking
Yes
Yes
Yes
Yes
Mail Encryption
Yes
No
Yes
No
nofollow
No
No
Yes
Yes
Blacklist
Yes
Plugin
Yes
Yes
CAPTCHA
No
Plugin
Yes
Yes
Delayed Indexing
No
Plugin
No
Yes
Development/Support ikiwiki KeheiWiki Wiclear Wikidot
# of Consultants
Preconfigured Hosting
No
No
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
N/A
Common Features ikiwiki KeheiWiki Wiclear Wikidot
Preview
Yes
Optional
Yes
Yes
Minor Changes
No
No
Yes
Yes
Change Summary
Yes
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
Sitemap
Plugin
Optional
Plugin
Yes
Plugin System
Yes
Yes
Yes
No
Special Features ikiwiki KeheiWiki Wiclear Wikidot
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Unknown
No
Yes
Interface Languages
1
English
1
English
7
German, English, French, Italian, Dutch, Russian, Slovenian
2
English, Polish
Email notification
Yes
Yes
Yes
Yes
Comments
Discussion Pages
Threaded
Flat
Threaded
Categories
Plugin
Yes
Yes
Yes
Namespaces
Yes
Yes
No
Yes
Conflict Handling
Conflict Resolution
Page Locking
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
Unknown
Yes
Structured Data
Unknown
Yes
Unknown
Yes
Links ikiwiki KeheiWiki Wiclear Wikidot
CamelCase
Plugin
Yes
Yes
No
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
No
Yes
Yes
InterWiki
Plugin
Yes
No
Yes
SisterWiki
Plugin
No
No
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
No
No
No
Page Redirects
Unknown
Yes
Unknown
Yes
Syntax Features ikiwiki KeheiWiki Wiclear Wikidot
HTML Tags
Optional
All
Optional
None
Math formulas
Plugin
No
No
Yes
Tables
simple + complex
complex
simple
simple + complex
CREOLE support
No
Unknown
No
No
Markdown Support
Yes
Unknown
No
No
Textile Support
Plugin
Optional
No
No
BBCode Support
No
Optional
No
No
Emoticon Images
Plugin
No
Yes
No
Syntax Highlighting
Plugin
Plugin
No
Yes
Footnotes
No
No
Yes
Yes
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Yes
Yes
No
No
Scripting
safe subset of HTML::Template supported via template plugin
Yes - custom tags, javascript, variables
Not at the moment
CSS styles, embeddable JavaScript, reporting language
Content Includes
Plugin
Yes
No
Yes
Feed Aggregation
Plugin
Yes
Yes
Yes
Usability ikiwiki KeheiWiki Wiclear Wikidot
Section Editing
No
Yes
Yes
Yes
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
No
Optional
No
No
Toolbar
No
Yes
Plugin
Yes
WYSIWYG Editing
No
Yes
No
No
Access Keys
No
No
Yes
Yes
Auto Signature
No
Yes
No
Yes
Statistics ikiwiki KeheiWiki Wiclear Wikidot
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Plugin
Plugin
No
Yes
Orphaned Pages
Plugin
Plugin
No
Yes
Most/Least Popular
No
No
No
No
Recent Visitors
No
No
No
No
Analysis
No
Plugin
No
Yes
Output ikiwiki KeheiWiki Wiclear Wikidot
Printer Friendly
Print CSS
Print View
Print View
Print View
Mobile Friendly
Yes
Yes
Unknown
Optional
Themes & Skins
Yes
Plugin
Yes
Yes
RSS Feeds
Plugin
Plugin
Yes
Yes
ATOM Feeds
Plugin
No
Yes
No
Abbreviations
No
Yes
Yes
No
Auto-TOC
Plugin
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
No
No
XML export
No
No
No
No
PDF Export
No
No
No
No
Office Export
Unknown
Unknown
Unknown
Unknown
Media and Files ikiwiki KeheiWiki Wiclear Wikidot
File Attachments
Yes
Plugin
Yes
Yes
Media Revisions
Yes
Plugin
No
No
Embedded Flash
Optional
Yes
No
Yes
Embedded Video
Optional
Yes
No
Yes
Image Editing
No
No
No
No
SVG Editing
No
No
No
No
MindMap Editing
No
No
No
No
Media Search
Filenames only
Keywords
No
No
Extras ikiwiki KeheiWiki Wiclear Wikidot
Calendar
Plugin
No
Unknown
Optional
Image Galleries
Plugin
No
Unknown
Yes
Presentations
Unknown
Unknown
Unknown
Unknown
Forums
Unknown
Yes
Unknown
Yes
Blogs
Yes
Yes
Unknown
Yes
Ticket System
Yes
No
Unknown
Yes
Chat
Unknown
Unknown
Unknown
Unknown
Syntax Examples ikiwiki KeheiWiki Wiclear Wikidot
Internal Link
[[internal]]
%topic%  ( '%' configurable )
or
<link topic>text</link>
or
use HTML in rich text editor
[Title]
[[[page-name]]] or
[[[page-name|anchor]]]
External Link
[link text](http://example.org)
http://gmail.com/
or
<extern http://gmail.com>a mail server</extern>
or
use HTML in rich text editor
[Title|http://url.to/]
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
Headlines
Two syntaxes:

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

heading 1
=========

heading 2
---------
text  ----    
or
insert HTML via WYSIWYG editor
!title1
!!title2
!!!title3
+++ headline level 3
Bold Format
**bold**
__bold__
_ text _ 
or
insert HTML via WYSIWYG editor
__bold__
**bold text**
Italics Format
*emphasized*
_emphasized_
* text *
or
insert HTML via WYSIWYG editor
''italic''
//italic text//
Underline Format
via HTML: <u>underlined</u>
insert HTML via WYSIWYG editor
__underlined text__
Monospace Format
`inline monospace`

indented block of
monospaced text

tab-indented
block
<wiki code>
stuff
</wiki code>
the text must be preceded by 2 spaces
and it will be pre formatted
{{monospaced text}}
Strikethrough Format
via HTML: <del>deleted</del>
insert HTML via WYSIWYG editor
--strikethrough text--
Superscript Format
via HTML: x<sup>2</sup>
insert HTML via WYSIWYG editor
^^superscript^^
Subscript Format
via HTML: a<sub>1</sub>
insert HTML via WYSIWYG editor
,,subscript,,
Images
![alt text](internal/image)
![alt text](http://example.org/external/image)
insert HTML via WYSIWYG editor
((image|title|left|longer description|100|100))
[[image src="..."]]
Aligning Text
<p align=right> stuff
or
insert HTML via WYSIWYG editor
= Centered line
Text Indentation
<ul>
stuff
</ul>
or
insert HTML via WYSIWYG editor
> First level of indentation
>> Second level of indentation.
Bulleted Lists
* item 1
* item 2
* item 2.1
* item 2.2
* text
or
<!> text
or
insert HTML via WYSIWYG editor
*item1
*item2
**item21
**item22
*item3
* element 1
* element 2
Numbered Lists
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
digits. stuff
or
insert HTML via WYSIWYG editor
#item1
##item1.1
##item1.2
#item2
#item3
# element 1
# element 1
Definition Lists
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
term:    definition
or
insert HTML via WYSIWYG editor
;def1 : the complete definition of def1
;def2 : the complete definition of def2
: item : description
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
can use plain < HR > tag or
via WYSIWYG editor
----
remove ikiwiki remove KeheiWiki remove Wiclear remove Wikidot