WackoWiki vs. Instiki vs. WikiNi

General Features WackoWiki Instiki WikiNi
Version
6.1.25
0.30.0
0.5.0
Last Release Date
2024-04-11 (1 month ago)
2019-02-28 (5 years ago)
2007-04-11 (17 years ago)
Last Update here
2024-04-11 (1 month ago)
2019-03-04 (5 years ago)
2009-02-09 (15 years ago)
Author
WackoWiki Team
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
URL
Free and Open Source
Yes
Yes
Yes
License
BSD
Ruby's
GPL
Programming Language
PHP
Ruby on Rails
PHP
Data Storage
Database
Database
Database
License Cost/ Fee
0
0
0 ($, €, £, ¥, ...)
Development status
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
general, education
End Users/Desktop, Education
System Requirements WackoWiki Instiki WikiNi
Operating System
OS Independent
UNIX, Windows, MacOS X
all (UNIX, Windows, MacOS X)
Root Access
No
No
No
Webserver
run with the appserver/webserver of your choice
Thin (included), or Apache/NGinx (via Passenger)
Other Requirements
mod_rewrite (optional)
Ruby 2.0-2.6
Datastorage WackoWiki Instiki WikiNi
Text Files
No
No
No
MySQL
Yes
Yes
Yes
PostgreSQL
No
Yes
No
Oracle
No
Plugin
No
SQLite
No
Yes
No
BerkeleyDB
No
No
No
RCS
No
No
No
Other
MariaDB
Any Rails-compatible back-end datastore can be used.
Security/Anti-Spam WackoWiki Instiki WikiNi
Page Permissions
Yes
Yes
Yes
ACL
Yes
No
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
Host Blocking
Optional
Yes
Unknown
Mail Encryption
Optional
Unknown
Unknown
nofollow
Optional
Unknown
No
Blacklist
Yes
Yes
No
CAPTCHA
Yes
Unknown
Patch
Delayed Indexing
No
Unknown
No
Development/Support WackoWiki Instiki WikiNi
# of Consultants
Preconfigured Hosting
Yes
No
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
32 ⭐
478 ⭐
N/A
Common Features WackoWiki Instiki WikiNi
Preview
Yes
No
Yes
Minor Changes
Yes
Yes
No
Change Summary
Yes
No
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Restricted by Age
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin System
Yes
No
Yes
Special Features WackoWiki Instiki WikiNi
Unicode Support
Yes
Yes
No
Right-to-Left Support
Yes
Yes
Unknown
Interface Languages
20
Bulgarian, Danish, German, Greek, English, Spanish, Estonian, Persian, French, Hindi, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Chinese, Chinese Traditional
1
English
1
French
Email notification
Yes
No
Plugin
Comments
Flat
No
Threaded
Categories
Yes
Yes
Unknown
Namespaces
Yes
No
Patch
Conflict Handling
Page Locking
Page Locking
Conflict Detection
Concurrent Editing
No
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Patch
Yes
Unknown
Structured Data
Plugin
No
Unknown
Links WackoWiki Instiki WikiNi
CamelCase
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
No
No
Image Links
Yes
Yes
Unknown
Windows Shares
Yes
No
No
Page Redirects
Yes
Yes
Unknown
Syntax Features WackoWiki Instiki WikiNi
HTML Tags
All
All
Optional
Math formulas
Plugin
Yes
Plugin
Tables
simple
simple + complex
simple + complex
CREOLE support
No
No
No
Markdown Support
No
Yes
No
Textile Support
No
Yes
No
BBCode Support
Patch
No
No
Emoticon Images
Yes
No
No
Syntax Highlighting
Yes
Yes
Yes
Footnotes
Yes
Yes
Plugin
Quoting
Yes
Yes
Unknown
Internal Comments
Yes
Yes
Unknown
Custom styles
Yes
Yes
Patch
FAQ Tags
No
No
No
Scripting
actions (PHP)
None
Content Includes
Yes
Yes
Yes
Feed Aggregation
Yes
No
Patch
Usability WackoWiki Instiki WikiNi
Section Editing
Yes
No
No
Page Templates
Yes
No
No
Double-Click Edit
Yes
No
Yes
Toolbar
Yes
No
Patch
WYSIWYG Editing
Plugin
No
No
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
No
Statistics WackoWiki Instiki WikiNi
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Orphaned Pages
Yes
Yes
Yes
Most/Least Popular
Yes
No
No
Recent Visitors
Yes
No
No
Analysis
Plugin
No
No
Output WackoWiki Instiki WikiNi
Printer Friendly
Print View
Print View
Print CSS
Mobile Friendly
Yes
Yes
Unknown
Themes & Skins
Yes
No
Optional
RSS Feeds
Yes
No
Yes
ATOM Feeds
No
Yes
No
Abbreviations
Patch
Yes
No
Auto-TOC
Yes
Yes
Unknown
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
No
XML export
Yes
No
No
PDF Export
Patch
No
Plugin
Office Export
Patch
Unknown
Unknown
Media and Files WackoWiki Instiki WikiNi
File Attachments
Yes
Yes
Plugin
Media Revisions
No
No
Unknown
Embedded Flash
Yes
No
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
No
No
No
SVG Editing
No
Yes
No
MindMap Editing
Plugin
No
No
Media Search
Contents
No
No
Extras WackoWiki Instiki WikiNi
Calendar
Plugin
No
Unknown
Image Galleries
Plugin
No
Unknown
Presentations
Plugin
Unknown
Unknown
Forums
Optional
No
Unknown
Blogs
Optional
No
Unknown
Ticket System
No
No
Unknown
Chat
Patch
Unknown
Unknown
Syntax Examples WackoWiki Instiki WikiNi
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
wiki word (XxxXxxxxx)
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[another site](http://example.com)
[[ ]]
Headlines
== 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
=== === level 4
== == level 5

Bold Format
**bold**
**bold**
** **
Italics Format
//italics//
_italic_, *italic*
// //
Underline Format
__underline__
underlined
{: style='text-decoration:underlined'}
__ __
Monospace Format
##monospace##
`monospace`
## ##
Strikethrough Format
--strikethrough--
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
@@ @@
Superscript Format
^^superscript^^
<sup>superscript</sup>
Subscript Format
vvsubscriptvv
<sub>subscript</sub>
Images
((image.png))
file:image.png
https://example.com/image.png
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
Aligning Text
{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'}
Text Indentation
one
two
p
{: style='margin-left:3em'}

> blockquote
[space] level 1
[space][space] level 2
[space][space][...] level X
Bulleted Lists
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
-
-
-
Numbered Lists
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


1. Item 1
1. Item 1.1
2. Item 2
1)
1)
1)
Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
term
: definition
Horizontal Rule
----
***
----
remove WackoWiki remove Instiki remove WikiNi