Instiki vs. WackoWiki vs. MediaWiki

General Features Instiki WackoWiki MediaWiki
Version
0.30.0
6.2.0
1.32.2
Last Release Date
2019-03-01 (6 years ago)
2025-12-14 (2 months ago)
2019-06-06 (6 years ago)
Last Update here
2019-03-04 (6 years ago)
2026-02-27 (today)
2019-06-21 (6 years ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
WackoWiki Team
Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, and others.
URL
Free and Open Source
Yes
Yes
Yes
License
Ruby's
BSD
GPL
Programming Language
Ruby on Rails
PHP
PHP
Data Storage
Database
Database
Database
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
general, education
Advanced End Users, Developers, End Users/Desktop
End Users/Desktop, Education
System Requirements Instiki WackoWiki MediaWiki
Operating System
UNIX, Windows, MacOS X
OS Independent
*nix, Windows, Mac OS X
Root Access
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
run with the appserver/webserver of your choice
Any with PHP support
Other Requirements
Ruby 2.0-2.6
mod_rewrite (optional)
none
Datastorage Instiki WackoWiki MediaWiki
Text Files
No
No
No
MySQL
Yes
Yes
Yes
PostgreSQL
Yes
No
Yes
Oracle
Plugin
No
Yes
SQLite
Yes
Yes
Yes
BerkeleyDB
No
No
No
RCS
No
No
No
Other
Any Rails-compatible back-end datastore can be used.
MariaDB
No
Security/Anti-Spam Instiki WackoWiki MediaWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
No
Authentication Backends
LDAP (patch), ActiveDirectory
Yes
Host Blocking
Yes
Optional
Yes
Mail Encryption
Unknown
Optional
Plugin
nofollow
Unknown
Optional
Optional
Blacklist
Yes
Yes
Yes
CAPTCHA
Unknown
Yes
Plugin
Delayed Indexing
Unknown
No
No
Development/Support Instiki WackoWiki MediaWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
507 ⭐
55 ⭐
N/A
Common Features Instiki WackoWiki MediaWiki
Preview
No
Yes
Yes
Minor Changes
Yes
Yes
Yes
Change Summary
No
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin System
No
Yes
Yes
Special Features Instiki WackoWiki MediaWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Yes
Interface Languages
1
English
30
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Ukrainian, Chinese, Chinese Traditional
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
Email notification
No
Yes
Optional
Comments
No
Flat
Discussion Pages
Categories
Yes
Yes
Yes
Namespaces
No
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Plugin
Structured Data
No
Plugin
Plugin
Links Instiki WackoWiki MediaWiki
CamelCase
Optional
Optional
No
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
No
No
Image Links
Yes
Yes
Yes
Windows Shares
No
Yes
No
Page Redirects
Yes
Yes
Yes
Syntax Features Instiki WackoWiki MediaWiki
HTML Tags
All
All
Some
Math formulas
Yes
Plugin
Yes
Tables
simple + complex
simple
simple + complex
CREOLE support
No
No
No
Markdown Support
Yes
No
No
Textile Support
Yes
No
No
BBCode Support
No
Patch
No
Emoticon Images
No
Yes
Optional
Syntax Highlighting
Yes
Yes
Plugin
Footnotes
Yes
Yes
Yes
Quoting
Yes
Yes
No
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
No
No
Scripting
None
actions (PHP)
Optional
Content Includes
Yes
Yes
Yes
Feed Aggregation
No
Yes
Plugin
Usability Instiki WackoWiki MediaWiki
Section Editing
No
Yes
Yes
Page Templates
No
Yes
Yes
Double-Click Edit
No
Yes
Optional
Toolbar
No
Yes
Yes
WYSIWYG Editing
No
Plugin
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Statistics Instiki WackoWiki MediaWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Orphaned Pages
Yes
Yes
Yes
Most/Least Popular
No
Yes
Yes
Recent Visitors
No
Yes
Plugin
Analysis
No
Plugin
Optional
Output Instiki WackoWiki MediaWiki
Printer Friendly
Print View
Print View
Print CSS
Mobile Friendly
Yes
Yes
No
Themes & Skins
No
Yes
Yes
RSS Feeds
No
Yes
Yes
ATOM Feeds
Yes
No
Yes
Abbreviations
Yes
Patch
No
Auto-TOC
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
No
Yes
Yes
PDF Export
No
Patch
Plugin
Office Export
Unknown
Patch
Unknown
Media and Files Instiki WackoWiki MediaWiki
File Attachments
Yes
Yes
Yes
Media Revisions
No
No
Yes
Embedded Flash
No
Yes
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
No
No
No
SVG Editing
Yes
No
No
MindMap Editing
No
Plugin
Plugin
Media Search
No
Contents
Keywords
Extras Instiki WackoWiki MediaWiki
Calendar
No
Plugin
Plugin
Image Galleries
No
Plugin
Yes
Presentations
Unknown
Plugin
Unknown
Forums
No
Optional
Plugin
Blogs
No
Optional
No
Ticket System
No
No
No
Chat
Unknown
Patch
Unknown
Syntax Examples Instiki WackoWiki MediaWiki
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[a link]]
[[a link|with title]]
External Link
[another site](http://example.com)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[http://example.org The title]
Headlines
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
==Section==
===Subsection===
====Sub-subsection====
Bold Format
**bold**
**bold**
'''bold'''
Italics Format
_italic_, *italic*
//italics//
''italic''
Underline Format
underlined
{: style='text-decoration:underlined'}
__underline__
<u>underlined</u>
Monospace Format
`monospace`
##monospace##
<tt>monospace</tt>
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
--strikethrough--
<s>strikethrough</s>
Superscript Format
<sup>superscript</sup>
^^superscript^^
<sup>superscript</sup>
Subscript Format
<sub>subscript</sub>
,,subscript,,
<sub>subscript</sub>
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
((image.png))
file:image.png
https://example.com/image.png
[[Image:wiki.png]]
Aligning Text
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
<center>Centered</center>
Text Indentation
p
{: style='margin-left:3em'}

> blockquote
one
two
: indented line
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
*one
**One-two
*two
*three
* Item 1
** Item 1.2
* Item 2
Numbered Lists
1. Item 1
1. Item 1.1
2. Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


# Item 1
## Item 1.2
# 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
Horizontal Rule
***
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remove Instiki remove WackoWiki remove MediaWiki