MediaWiki vs. WackoWiki vs. Instiki vs. PmWiki

General Features MediaWiki WackoWiki Instiki PmWiki
Version
1.32.2
6.1.25
0.30.0
2.3.33
Last Release Date
2019-06-05 (4 years ago)
2024-04-11 (17 days ago)
2019-02-28 (5 years ago)
2024-04-20 (8 days ago)
Last Update here
2019-06-21 (4 years ago)
2024-04-11 (17 days ago)
2019-03-04 (5 years ago)
2024-04-21 (7 days ago)
Author
Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, and others.
WackoWiki Team
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL
BSD
Ruby's
GPL2+
Programming Language
PHP
PHP
Ruby on Rails
PHP
Data Storage
Database
Database
Database
Files
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
End Users/Desktop, Education
Advanced End Users, Developers, End Users/Desktop
general, education
All
System Requirements MediaWiki WackoWiki Instiki PmWiki
Operating System
*nix, Windows, Mac OS X
OS Independent
UNIX, Windows, MacOS X
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
No
Webserver
Any with PHP support
run with the appserver/webserver of your choice
Thin (included), or Apache/NGinx (via Passenger)
Apache, IIS, anything with PHP support. Can also be run w/o a webserver.
Other Requirements
none
mod_rewrite (optional)
Ruby 2.0-2.6
none
Datastorage MediaWiki WackoWiki Instiki PmWiki
Text Files
No
No
No
Yes
MySQL
Yes
Yes
Yes
Plugin
PostgreSQL
Yes
No
Yes
No
Oracle
Yes
No
Plugin
No
SQLite
Yes
No
Yes
Plugin
BerkeleyDB
No
No
No
No
RCS
No
No
No
Plugin
Other
No
MariaDB
Any Rails-compatible back-end datastore can be used.
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam MediaWiki WackoWiki Instiki PmWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
No
Yes
No
Yes
Authentication Backends
Yes
LDAP (patch), ActiveDirectory
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
Host Blocking
Yes
Optional
Yes
Optional
Mail Encryption
Plugin
Optional
Unknown
Optional
nofollow
Optional
Optional
Unknown
Yes
Blacklist
Yes
Yes
Yes
Optional
CAPTCHA
Plugin
Yes
Unknown
Plugin
Delayed Indexing
No
No
Unknown
Optional
Development/Support MediaWiki WackoWiki Instiki PmWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
32 ⭐
478 ⭐
N/A
Common Features MediaWiki WackoWiki Instiki PmWiki
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 MediaWiki WackoWiki Instiki PmWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Yes
Optional
Interface Languages
140
Afar, Abkhazian, Afrikaans, Amharic, Arabic, Assamese, Aymara, Azerbaijani, Bashkir, Byelorussian, Bulgarian, Bihari, Bislama, Bengali; Bangla, Tibetan, Breton, Catalan, Corsican, Czech, Welsh, Danish, German, Bhutani, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Fiji, Faroese, French, Frisian, Irish, Scots Gaelic, Galician, Guarani, Gujarati, Hausa, Hebrew, Hindi, Croatian, Hungarian, Armenian, Interlingua, Indonesian, Interlingue, Inupiak, Icelandic, Italian, Inuktitut, Japanese, Georgian, Kazakh, Greenlandic, Cambodian, Kannada, Korean, Kashmiri, Kurdish, Kirghiz, Latin, Lingala, Laothian, Lithuanian, Latvian, Lettish, Malagasy, Maori, Macedonian, Malayalam, Mongolian, Moldavian, Marathi, Malay, Maltese, Burmese, Nauru, Nepali, Dutch, Norwegian, Occitan, Oromo, Oriya, Punjabi, Polish, Pashto, Pushto, Portuguese, Brazilian Portuguese, Quechua, Rhaeto-Romance, Kirundi, Romanian, Russian, Kinyarwanda, Sanskrit, Sindhi, Sangho, Serbo-Croatian, Sinhalese, Slovak, Slovenian, Samoan, Shona, Somali, Albanian, Serbian, Siswati, Sesotho, Sundanese, Swedish, Swahili, Tamil, Telugu, Tajik, Thai, Tigrinya, Turkmen, Tagalog, Setswana, Tonga, Turkish, Tsonga, Tatar, Twi, Uighur, Ukrainian, Urdu, Uzbek, Vietnamese, Volapuk, Wolof, Xhosa, Yiddish, Yoruba, Zhuang, Chinese, Chinese Traditional, Zulu
20
Bulgarian, Danish, German, Greek, English, Spanish, Estonian, Persian, French, Hindi, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Chinese, Chinese Traditional
1
English
38
Arabic, Bulgarian, Breton, Catalan, Czech, Danish, German, Greek, English, Esperanto, Spanish, Persian, Finnish, French, Hungarian, Indonesian, Italian, Japanese, Lithuanian, Latvian, Lettish, Macedonian, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovak, Slovenian, Albanian, Swedish, Tamil, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
Email notification
Optional
Yes
No
Optional
Comments
Discussion Pages
Flat
No
Discussion Pages
Categories
Yes
Yes
Yes
Yes
Namespaces
Yes
Yes
No
Yes
Conflict Handling
Conflict Resolution
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Unknown
Yes
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Plugin
Patch
Yes
Yes
Structured Data
Plugin
Plugin
No
Yes
Links MediaWiki WackoWiki Instiki PmWiki
CamelCase
No
Optional
Optional
Optional
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Yes
SisterWiki
No
No
No
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Yes
No
Yes
Page Redirects
Yes
Yes
Yes
Yes
Syntax Features MediaWiki WackoWiki Instiki PmWiki
HTML Tags
Some
All
All
Plugin
Math formulas
Yes
Plugin
Yes
Plugin
Tables
simple + complex
simple
simple + complex
simple + complex
CREOLE support
No
No
No
Optional
Markdown Support
No
No
Yes
Plugin
Textile Support
No
No
Yes
No
BBCode Support
No
Patch
No
Plugin
Emoticon Images
Optional
Yes
No
Plugin
Syntax Highlighting
Plugin
Yes
Yes
Optional
Footnotes
Yes
Yes
Yes
Plugin
Quoting
No
Yes
Yes
Plugin
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
No
No
Yes
Scripting
Optional
actions (PHP)
None
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Plugin
Yes
No
Plugin
Usability MediaWiki WackoWiki Instiki PmWiki
Section Editing
Yes
Yes
No
Plugin
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
Optional
Yes
No
Plugin
Toolbar
Yes
Yes
No
Optional
WYSIWYG Editing
Plugin
Plugin
No
Plugin
Access Keys
Yes
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Yes
Statistics MediaWiki WackoWiki Instiki PmWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Optional
Orphaned Pages
Yes
Yes
Yes
Optional
Most/Least Popular
Yes
Yes
No
No
Recent Visitors
Plugin
Yes
No
Plugin
Analysis
Optional
Plugin
No
Plugin
Output MediaWiki WackoWiki Instiki PmWiki
Printer Friendly
Print CSS
Print View
Print View
Print View
Mobile Friendly
No
Yes
Yes
Yes
Themes & Skins
Yes
Yes
No
Yes
RSS Feeds
Yes
Yes
No
Optional
ATOM Feeds
Yes
No
Yes
Optional
Abbreviations
No
Patch
Yes
Plugin
Auto-TOC
Yes
Yes
Yes
Optional
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Plugin
XML export
Yes
Yes
No
Plugin
PDF Export
Plugin
Patch
No
Plugin
Office Export
Unknown
Patch
Unknown
Plugin
Media and Files MediaWiki WackoWiki Instiki PmWiki
File Attachments
Yes
Yes
Yes
Optional
Media Revisions
Yes
No
No
Optional
Embedded Flash
Plugin
Yes
No
Plugin
Embedded Video
Plugin
Yes
Yes
Plugin
Image Editing
No
No
No
Plugin
SVG Editing
No
No
Yes
No
MindMap Editing
Plugin
Plugin
No
Plugin
Media Search
Keywords
Contents
No
Filenames only
Extras MediaWiki WackoWiki Instiki PmWiki
Calendar
Plugin
Plugin
No
Plugin
Image Galleries
Yes
Plugin
No
Plugin
Presentations
Unknown
Plugin
Unknown
Plugin
Forums
Plugin
Optional
No
Plugin
Blogs
No
Optional
No
Plugin
Ticket System
No
No
No
Plugin
Chat
Unknown
Patch
Unknown
No
Syntax Examples MediaWiki WackoWiki Instiki PmWiki
Internal Link
[[a link]]
[[a link|with title]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
[http://example.org The title]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[another site](http://example.com)
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
==Section==
===Subsection===
====Sub-subsection====
== 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
Bold Format
'''bold'''
**bold**
**bold**
'''bold'''
Italics Format
''italic''
//italics//
_italic_, *italic*
''italic''
Underline Format
<u>underlined</u>
__underline__
underlined
{: style='text-decoration:underlined'}
{+underlined+}
Monospace Format
<tt>monospace</tt>
##monospace##
`monospace`
@@monospace@@
Strikethrough Format
<s>strikethrough</s>
--strikethrough--
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
{-strikethrough-}
Superscript Format
<sup>superscript</sup>
^^superscript^^
<sup>superscript</sup>
'^superscript^'
Subscript Format
<sub>subscript</sub>
vvsubscriptvv
<sub>subscript</sub>
'_subscript_'
Images
[[Image:wiki.png]]
((image.png))
file:image.png
https://example.com/image.png
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
<center>Centered</center>
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
: indented line
one
two
p
{: style='margin-left:3em'}

> blockquote
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
* Item 1
** Item 1.2
* Item 2
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
# Item 1
## Item 1.2
# Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


1. Item 1
1. Item 1.1
2. Item 2
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
; term : definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
term
: definition
: term : definition
Horizontal Rule
----
----
***
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remove MediaWiki remove WackoWiki remove Instiki remove PmWiki