Wicked vs. XWiki vs. WackoWiki vs. Instiki vs. PmWiki

General Features Wicked XWiki WackoWiki Instiki PmWiki
Version
2.0.8
16.2.0
6.1.25
0.30.0
2.3.33
Last Release Date
2017-09-20 (6 years ago)
2024-03-24 (1 month ago)
2024-04-11 (14 days ago)
2019-02-28 (5 years ago)
2024-04-20 (5 days ago)
Last Update here
2018-10-15 (5 years ago)
2024-03-25 (1 month ago)
2024-04-11 (14 days ago)
2019-03-04 (5 years ago)
2024-04-21 (4 days ago)
Author
The Horde Project
XWiki Development Team
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
Yes
License
GPL 2
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
BSD
Ruby's
GPL2+
Programming Language
PHP
Java
PHP
Ruby on Rails
PHP
Data Storage
Database
Database, RCS
Database
Database
Files
License Cost/ Fee
0
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Mature
Intended Audience
Enterprise, Workgroups, Developers
Advanced End Users, Developers, End Users/Desktop
general, education
All
Hosting Features Wicked XWiki WackoWiki Instiki PmWiki
Storage Quota
N/A
N/A
N/A
N/A
Bandwidth Quota
N/A
N/A
N/A
N/A
Other Limits
N/A
N/A
N/A
N/A
Topic Restrictions
N/A
N/A
N/A
N/A
Corporate Branding
N/A
Yes
N/A
N/A
N/A
Own Domain
N/A
Yes
N/A
N/A
N/A
Ads allowed
N/A
No
N/A
N/A
N/A
System Requirements Wicked XWiki WackoWiki Instiki PmWiki
Operating System
Any
Any platform supporting Java 11 or greater
OS Independent
UNIX, Windows, MacOS X
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
No
No
Webserver
Any
Servlet 3.1+
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
Text_Wiki from PEAR
Java 11, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
mod_rewrite (optional)
Ruby 2.0-2.6
none
Datastorage Wicked XWiki WackoWiki Instiki PmWiki
Text Files
No
No
No
No
Yes
MySQL
Yes
Yes
Yes
Yes
Plugin
PostgreSQL
Yes
Yes
No
Yes
No
Oracle
Yes
Yes
No
Plugin
No
SQLite
Yes
No
No
Yes
Plugin
BerkeleyDB
No
No
No
No
No
RCS
No
Plugin
No
No
Plugin
Other
None
JDBC Databases and in general any database supported by Hibernate; any custom implementation, as the storage is pluggable. Attachments can be saved on the filesystem
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 Wicked XWiki WackoWiki Instiki PmWiki
Page Permissions
Yes
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
No
Yes
Authentication Backends
25 different backends
XWiki, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
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
No
No
Optional
Yes
Optional
Mail Encryption
No
Yes
Optional
Unknown
Optional
nofollow
No
No
Optional
Unknown
Yes
Blacklist
No
Plugin
Yes
Yes
Optional
CAPTCHA
Yes
Yes
Yes
Unknown
Plugin
Delayed Indexing
No
Yes
No
Unknown
Optional
Development/Support Wicked XWiki WackoWiki Instiki PmWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
1 ⭐
N/A
32 ⭐
478 ⭐
N/A
Common Features Wicked XWiki WackoWiki Instiki PmWiki
Preview
Yes
Yes
Yes
No
Yes
Minor Changes
Yes
Yes
Yes
Yes
Yes
Change Summary
Yes
Yes
Yes
No
Yes
Page History
Yes
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Yes
Yes
Plugin System
No
Yes
Yes
No
Yes
Special Features Wicked XWiki WackoWiki Instiki PmWiki
Unicode Support
Yes
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
No
Yes
Yes
Optional
Interface Languages
8
German, English, Spanish, Finnish, Japanese, Slovenian, Ukrainian, Chinese
40
Bulgarian, Catalan, Czech, Danish, German, Greek, English, Spanish, Persian, French, Galician, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Cambodian, Kannada, Korean, Lithuanian, Latvian, Lettish, Marathi, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Swedish, Turkish, Uighur, Ukrainian, Vietnamese, Chinese, Chinese Traditional
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
Yes
Yes
Yes
No
Optional
Comments
No
Threaded
Flat
No
Discussion Pages
Categories
No
Yes
Yes
Yes
Yes
Namespaces
No
Yes
Yes
No
Yes
Conflict Handling
None
Conflict Resolution
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
No
Plugin
No
Unknown
Yes
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
No
Yes
Patch
Yes
Yes
Structured Data
No
Yes
Plugin
No
Yes
Links Wicked XWiki WackoWiki Instiki PmWiki
CamelCase
Yes
Yes
Optional
Optional
Optional
Freelinks
Yes
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Yes
Yes
SisterWiki
No
Yes
No
No
Plugin
Image Links
Yes
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
No
Yes
Page Redirects
No
Yes
Yes
Yes
Yes
Syntax Features Wicked XWiki WackoWiki Instiki PmWiki
HTML Tags
None
All
All
All
Plugin
Math formulas
No
Yes
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple
simple + complex
simple + complex
CREOLE support
Yes
Yes
No
No
Optional
Markdown Support
No
Yes
No
Yes
Plugin
Textile Support
No
No
No
Yes
No
BBCode Support
Yes
No
Patch
No
Plugin
Emoticon Images
Yes
Yes
Yes
No
Plugin
Syntax Highlighting
Yes
Yes
Yes
Yes
Optional
Footnotes
No
Yes
Yes
Yes
Plugin
Quoting
Yes
Yes
Yes
Yes
Plugin
Internal Comments
No
Yes
Yes
Yes
Yes
Custom styles
No
Yes
Yes
Yes
Yes
FAQ Tags
No
Plugin
No
No
Yes
Scripting
No
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
actions (PHP)
None
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
No
Yes
Yes
Yes
Yes
Feed Aggregation
No
Yes
Yes
No
Plugin
Usability Wicked XWiki WackoWiki Instiki PmWiki
Section Editing
No
Yes
Yes
No
Plugin
Page Templates
Yes
Yes
Yes
No
Yes
Double-Click Edit
No
No
Yes
No
Plugin
Toolbar
No
Yes
Yes
No
Optional
WYSIWYG Editing
No
Yes
Plugin
No
Plugin
Access Keys
Yes
Yes
Yes
Yes
Yes
Auto Signature
No
No
Yes
Yes
Yes
Statistics Wicked XWiki WackoWiki Instiki PmWiki
Recent Changes
Yes
Yes
Yes
Yes
Yes
Wanted Pages
No
Yes
Yes
Yes
Optional
Orphaned Pages
No
Yes
Yes
Yes
Optional
Most/Least Popular
Yes
Yes
Yes
No
No
Recent Visitors
No
Yes
Yes
No
Plugin
Analysis
No
Yes
Plugin
No
Plugin
Output Wicked XWiki WackoWiki Instiki PmWiki
Printer Friendly
Print View
Print CSS
Print View
Print View
Print View
Mobile Friendly
No
Yes
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Yes
No
Yes
RSS Feeds
No
Yes
Yes
No
Optional
ATOM Feeds
No
Optional
No
Yes
Optional
Abbreviations
No
Plugin
Patch
Yes
Plugin
Auto-TOC
Yes
Optional
Yes
Yes
Optional
Raw Export
No
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
Plugin
XML export
No
Yes
Yes
No
Plugin
PDF Export
No
Yes
Patch
No
Plugin
Office Export
No
Yes
Patch
Unknown
Plugin
Media and Files Wicked XWiki WackoWiki Instiki PmWiki
File Attachments
Yes
Yes
Yes
Yes
Optional
Media Revisions
Yes
Yes
No
No
Optional
Embedded Flash
No
Yes
Yes
No
Plugin
Embedded Video
No
Yes
Yes
Yes
Plugin
Image Editing
No
Plugin
No
No
Plugin
SVG Editing
No
Plugin
No
Yes
No
MindMap Editing
No
Plugin
Plugin
No
Plugin
Media Search
No
Contents
Contents
No
Filenames only
Extras Wicked XWiki WackoWiki Instiki PmWiki
Calendar
Optional
Plugin
Plugin
No
Plugin
Image Galleries
Optional
Yes
Plugin
No
Plugin
Presentations
No
Plugin
Plugin
Unknown
Plugin
Forums
No
Plugin
Optional
No
Plugin
Blogs
No
Plugin
Optional
No
Plugin
Ticket System
Optional
Plugin
No
No
Plugin
Chat
No
Plugin
Patch
Unknown
No
Syntax Examples Wicked XWiki WackoWiki Instiki PmWiki
Internal Link
[a Link]
[namespace:link]
[link With a Title]
XWiki supports 16+ input syntaxes (e.g. confluence, twiki, docbook, mediawiki, xwiki, markdown, etc), see http://rendering.xwiki.org/xwiki/bin/view/Main/WebHome#HSupportedSyntaxes for details.

The syntax documented below is XWiki Syntax 2.1 (http://platform.xwiki.org/xwiki/bin/view/Main/XWikiSyntax).

[[wiki syntax here>>Space.Page]]
[[Space.Page]]
(Space is optional and is the current space if not specified)
[[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.com]
[http://example.com With a Title]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[another site](http://example.com)
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
+ Level 1 Heading
++ Level 2 Heading
+++ Level 3 Heading
++++ Level 4 Heading
+++++ Level 5 Heading
++++++ Level 6 Heading
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
== 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**
'''bold'''
Italics Format
//italics//
//Italics//
//italics//
_italic_, *italic*
''italic''
Underline Format
@@+++ underline @@
__underline__
__underline__
underlined
{: style='text-decoration:underlined'}
{+underlined+}
Monospace Format
{{monospace}}
##monospace##
##monospace##
`monospace`
@@monospace@@
Strikethrough Format
@@--- strikethrough @@
--Strike--
--strikethrough--
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
{-strikethrough-}
Superscript Format
^^superscript^^
^^superscript^^
<sup>superscript</sup>
'^superscript^'
Subscript Format
,,subscript,,
vvsubscriptvv
<sub>subscript</sub>
'_subscript_'
Images
local.jpg
http://foo.bar/baz.jpg
[http://foo.bar/baz.jpg Alt text]
image:img.png
image:Space.Page@img.png
[[image:img.png||width="25" height="25"]]
image:http://some/url/img.png

Starting with the xwiki/2.1 syntax, also:
image:icon:cancel
((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
(% style="... css here..." %)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'}
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
Non-semantic text indentation through styling:

(% style="... css here..." %)multi line text

Quotes:

> This is a quoted text
one
two
p
{: style='margin-left:3em'}

> blockquote
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
* Bullet one
* Sub-bullet
* List
** list
*** list
*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
# Numero uno
# Number two
# Sub-item
1. Item 1
11. Item 2
111. Item 3
1. Item 4
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
: Item 1 : Something
: Item 2 : Something else
; 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
----
----
----
***
----
remove Wicked remove XWiki remove WackoWiki remove Instiki remove PmWiki