ikiwiki vs. Wikidot vs. WikkaWiki

General Features ikiwiki Wikidot WikkaWiki
Version
2.67
1.4.2
Last Release Date
2008-10-17 (17 years ago)
2020-04-20 (5 years ago)
Last Update here
2008-10-28 (17 years ago)
2009-12-09 (16 years ago)
2020-04-20 (5 years ago)
Author
Joey Hess and the ikiwiki community
Michal Frackowiak
Wikka Development Team
URL
Free and Open Source
Yes
Yes
Yes
License
GPL
AGPLv3
GPL
Programming Language
Perl
PHP
Data Storage
Files, RCS
Database
Database
License Cost/ Fee
0
Free / Paid Accounts (starts from $5 per month)
0
Development status
Mature
Mature
Mature
Intended Audience
Anyone
companies, private users, social groups and communities, software developers, tech geeks
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
Hosting Features ikiwiki Wikidot WikkaWiki
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 ikiwiki Wikidot WikkaWiki
Operating System
Any
any (platform-independent)
Root Access
No
No
No
Webserver
Any, or none
any server with PHP/MySQL support
Other Requirements
mod_rewrite (optional)
Datastorage ikiwiki Wikidot WikkaWiki
Text Files
Yes
Unknown
No
MySQL
No
Unknown
Yes
PostgreSQL
No
Yes
No
Oracle
No
Unknown
No
SQLite
No
Unknown
Yes
BerkeleyDB
No
Unknown
No
RCS
Yes
Unknown
No
Other
No
Security/Anti-Spam ikiwiki Wikidot WikkaWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
Active Directory (patch)
Host Blocking
Yes
Yes
Yes
Mail Encryption
Yes
No
No
nofollow
No
Yes
Yes
Blacklist
Yes
Yes
Yes
CAPTCHA
No
Yes
Plugin
Delayed Indexing
No
Yes
No
Development/Support ikiwiki Wikidot WikkaWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
42 ⭐
Common Features ikiwiki Wikidot WikkaWiki
Preview
Yes
Yes
Yes
Minor Changes
No
Yes
No
Change Summary
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Plugin
Yes
Yes
Plugin System
Yes
No
Yes
Special Features ikiwiki Wikidot WikkaWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Yes
Interface Languages
1
English
2
English, Polish
0
Email notification
Yes
Yes
Patch
Comments
Discussion Pages
Threaded
Threaded
Categories
Plugin
Yes
Yes
Namespaces
Yes
Yes
No
Conflict Handling
Conflict Resolution
Page Locking
Page Locking
Concurrent Editing
Unknown
Unknown
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
No
Structured Data
Unknown
Yes
Plugin
Links ikiwiki Wikidot WikkaWiki
CamelCase
Plugin
No
Yes
Freelinks
Yes
Yes
Patch
Backlinks
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
SisterWiki
Plugin
No
No
Image Links
Yes
Yes
Yes
Windows Shares
Yes
No
No
Page Redirects
Unknown
Yes
Patch
Syntax Features ikiwiki Wikidot WikkaWiki
HTML Tags
Optional
None
Some
Math formulas
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
No
Markdown Support
Yes
No
No
Textile Support
Plugin
No
No
BBCode Support
No
No
No
Emoticon Images
Plugin
No
No
Syntax Highlighting
Plugin
Yes
Yes
Footnotes
No
Yes
Plugin
Quoting
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
No
Scripting
safe subset of HTML::Template supported via template plugin
CSS styles, embeddable JavaScript, reporting language
Extensibility through drop-in plugins
Content Includes
Plugin
Yes
Yes
Feed Aggregation
Plugin
Yes
Yes
Usability ikiwiki Wikidot WikkaWiki
Section Editing
No
Yes
No
Page Templates
Yes
Yes
Yes
Double-Click Edit
No
No
Yes
Toolbar
No
Yes
Yes
WYSIWYG Editing
No
No
Plugin
Access Keys
No
Yes
Patch
Auto Signature
No
Yes
Patch
Statistics ikiwiki Wikidot WikkaWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Plugin
Yes
Yes
Orphaned Pages
Plugin
Yes
Yes
Most/Least Popular
No
No
Patch
Recent Visitors
No
No
Patch
Analysis
No
Yes
Yes
Output ikiwiki Wikidot WikkaWiki
Printer Friendly
Print CSS
Print View
Print CSS
Mobile Friendly
Yes
Optional
Unknown
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Plugin
Yes
Yes
ATOM Feeds
Plugin
No
Plugin
Abbreviations
No
No
Patch
Auto-TOC
Plugin
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
No
Yes
XML export
No
No
Patch
PDF Export
No
No
No
Office Export
Unknown
Unknown
No
Media and Files ikiwiki Wikidot WikkaWiki
File Attachments
Yes
Yes
Yes
Media Revisions
Yes
No
No
Embedded Flash
Optional
Yes
Yes
Embedded Video
Optional
Yes
No
Image Editing
No
No
No
SVG Editing
No
No
No
MindMap Editing
No
No
Yes
Media Search
Filenames only
No
No
Extras ikiwiki Wikidot WikkaWiki
Calendar
Plugin
Optional
Plugin
Image Galleries
Plugin
Yes
Plugin
Presentations
Unknown
Unknown
No
Forums
Unknown
Yes
No
Blogs
Yes
Yes
Plugin
Ticket System
Yes
Yes
No
Chat
Unknown
Unknown
No
Syntax Examples ikiwiki Wikidot WikkaWiki
Internal Link
[[internal]]
[[[page-name]]] or
[[[page-name|anchor]]]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link
[link text](http://example.org)
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
Headlines
Two syntaxes:

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

heading 1
=========

heading 2
---------
+++ headline level 3
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
Bold Format
**bold**
__bold__
**bold text**
**bold**
Italics Format
*emphasized*
_emphasized_
//italic text//
//italic//
Underline Format
via HTML: <u>underlined</u>
__underlined text__
__underlined__
Monospace Format
`inline monospace`

indented block of
monospaced text

tab-indented
block
{{monospaced text}}
##monospaced##
Strikethrough Format
via HTML: <del>deleted</del>
--strikethrough text--
++Strike through text++
Superscript Format
via HTML: x<sup>2</sup>
^^superscript^^
""<sup>Superscript</sup>""
Subscript Format
via HTML: a<sub>1</sub>
,,subscript,,
""<sub>Subscript</sub>""
Images
![alt text](internal/image)
![alt text](http://example.org/external/image)
[[image src="..."]]
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
Aligning Text
= Centered line
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation
> First level of indentation
>> Second level of indentation.
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists
* item 1
* item 2
* item 2.1
* item 2.2
* element 1
* element 2
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
Numbered Lists
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
# element 1
# element 1
(4 spaces or a ~ can replace a tab)

~1) Item 1
~~1) Item 1.1
~1) Item 2

(more options for lists are available)
Definition Lists
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
: item : description
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
----
remove ikiwiki remove Wikidot remove WikkaWiki