WikkaWiki vs. PmWiki vs. WackoWiki vs. XWiki

General Features WikkaWiki PmWiki WackoWiki XWiki
Version
1.4.2
2.3.32
6.1.24
16.2.0
Last Release Date
2020-04-19 (3 years ago)
2024-03-23 (5 days ago)
2023-11-01 (4 months ago)
2024-03-24 (4 days ago)
Last Update here
2020-04-20 (3 years ago)
2024-03-24 (4 days ago)
2023-11-02 (4 months ago)
2024-03-25 (3 days ago)
Author
Wikka Development Team
Petko Yotov (Original author: Patrick R. Michaud)
WackoWiki Team
XWiki Development Team
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL
GPL2+
BSD
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
Programming Language
PHP
PHP
PHP
Java
Data Storage
Database
Files
Database
Database, RCS
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
All
Advanced End Users, Developers, End Users/Desktop
Enterprise, Workgroups, Developers
Hosting Features WikkaWiki PmWiki WackoWiki XWiki
Storage Quota
N/A
N/A
N/A
Bandwidth Quota
N/A
N/A
N/A
Other Limits
N/A
N/A
N/A
Topic Restrictions
N/A
N/A
N/A
Corporate Branding
N/A
N/A
N/A
Yes
Own Domain
N/A
N/A
N/A
Yes
Ads allowed
N/A
N/A
N/A
No
System Requirements WikkaWiki PmWiki WackoWiki XWiki
Operating System
any (platform-independent)
Linux, UNIX, Windows, MacOS X, probably others
OS Independent
Any platform supporting Java 11 or greater
Root Access
No
No
No
No
Webserver
any server with PHP/MySQL support
Apache, IIS, anything with PHP support. Can also be run w/o a webserver.
run with the appserver/webserver of your choice
Servlet 3.1+
Other Requirements
mod_rewrite (optional)
none
mod_rewrite (optional)
Java 11, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
Datastorage WikkaWiki PmWiki WackoWiki XWiki
Text Files
No
Yes
No
No
MySQL
Yes
Plugin
Yes
Yes
PostgreSQL
No
No
No
Yes
Oracle
No
No
No
Yes
SQLite
Yes
Plugin
No
No
BerkeleyDB
No
No
No
No
RCS
No
Plugin
No
Plugin
Other
No
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
MariaDB
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
Security/Anti-Spam WikkaWiki PmWiki WackoWiki XWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
Active Directory (patch)
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
LDAP (patch), ActiveDirectory
XWiki, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
Host Blocking
Yes
Optional
Optional
No
Mail Encryption
No
Optional
Optional
Yes
nofollow
Yes
Yes
Optional
No
Blacklist
Yes
Optional
Yes
Plugin
CAPTCHA
Plugin
Plugin
Yes
Yes
Delayed Indexing
No
Optional
No
Yes
Development/Support WikkaWiki PmWiki WackoWiki XWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
42 ⭐
N/A
32 ⭐
N/A
Common Features WikkaWiki PmWiki WackoWiki XWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
No
Yes
Yes
Yes
Change Summary
Yes
Yes
Yes
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
Yes
Yes
Special Features WikkaWiki PmWiki WackoWiki XWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Optional
Yes
No
Interface Languages
0
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
20
Bulgarian, Danish, German, Greek, English, Spanish, Estonian, Persian, French, Hindi, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Chinese, Chinese Traditional
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
Email notification
Patch
Optional
Yes
Yes
Comments
Threaded
Discussion Pages
Flat
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
No
Yes
Yes
Yes
Conflict Handling
Page Locking
Conflict Resolution
Page Locking
Conflict Resolution
Concurrent Editing
Yes
Yes
No
Plugin
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
No
Yes
Patch
Yes
Structured Data
Plugin
Yes
Plugin
Yes
Links WikkaWiki PmWiki WackoWiki XWiki
CamelCase
Yes
Optional
Optional
Yes
Freelinks
Patch
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Yes
SisterWiki
No
Plugin
No
Yes
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Yes
Yes
Yes
Page Redirects
Patch
Yes
Yes
Yes
Syntax Features WikkaWiki PmWiki WackoWiki XWiki
HTML Tags
Some
Plugin
All
All
Math formulas
Plugin
Plugin
Plugin
Yes
Tables
simple + complex
simple + complex
simple
simple + complex
CREOLE support
No
Optional
No
Yes
Markdown Support
No
Plugin
No
Yes
Textile Support
No
No
No
No
BBCode Support
No
Plugin
Patch
No
Emoticon Images
No
Plugin
Yes
Yes
Syntax Highlighting
Yes
Optional
Yes
Yes
Footnotes
Plugin
Plugin
Yes
Yes
Quoting
Yes
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Yes
No
Plugin
Scripting
Extensibility through drop-in plugins
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
actions (PHP)
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Yes
Plugin
Yes
Yes
Usability WikkaWiki PmWiki WackoWiki XWiki
Section Editing
No
Plugin
Yes
Yes
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Yes
Plugin
Yes
No
Toolbar
Yes
Optional
Yes
Yes
WYSIWYG Editing
Plugin
Plugin
Plugin
Yes
Access Keys
Patch
Yes
Yes
Yes
Auto Signature
Patch
Yes
Yes
No
Statistics WikkaWiki PmWiki WackoWiki XWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Optional
Yes
Yes
Orphaned Pages
Yes
Optional
Yes
Yes
Most/Least Popular
Patch
No
Yes
Yes
Recent Visitors
Patch
Plugin
Yes
Yes
Analysis
Yes
Plugin
Plugin
Yes
Output WikkaWiki PmWiki WackoWiki XWiki
Printer Friendly
Print CSS
Print View
Print View
Print CSS
Mobile Friendly
Unknown
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Optional
Yes
Yes
ATOM Feeds
Plugin
Optional
No
Optional
Abbreviations
Patch
Plugin
Patch
Plugin
Auto-TOC
Yes
Optional
Yes
Optional
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Plugin
Yes
Yes
XML export
Patch
Plugin
Yes
Yes
PDF Export
No
Plugin
Patch
Yes
Office Export
No
Plugin
Patch
Yes
Media and Files WikkaWiki PmWiki WackoWiki XWiki
File Attachments
Yes
Optional
Yes
Yes
Media Revisions
No
Optional
No
Yes
Embedded Flash
Yes
Plugin
Yes
Yes
Embedded Video
No
Plugin
Yes
Yes
Image Editing
No
Plugin
No
Plugin
SVG Editing
No
No
No
Plugin
MindMap Editing
Yes
Plugin
Plugin
Plugin
Media Search
No
Filenames only
Contents
Contents
Extras WikkaWiki PmWiki WackoWiki XWiki
Calendar
Plugin
Plugin
Plugin
Plugin
Image Galleries
Plugin
Plugin
Plugin
Yes
Presentations
No
Plugin
Plugin
Plugin
Forums
No
Plugin
Optional
Plugin
Blogs
Plugin
Plugin
Optional
Plugin
Ticket System
No
Plugin
No
Plugin
Chat
No
No
Patch
Plugin
Syntax Examples WikkaWiki PmWiki WackoWiki XWiki
Internal Link
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
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)
External Link
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
http://....
[[http://... | link text]]
[[link text -> http://...]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
Headlines
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
! Level 1
!! Level 2
!!! Level 3
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
Bold Format
**bold**
'''bold'''
**bold**
**bold**
Italics Format
//italic//
''italic''
//italics//
//Italics//
Underline Format
__underlined__
{+underlined+}
__underline__
__underline__
Monospace Format
##monospaced##
@@monospace@@
##monospace##
##monospace##
Strikethrough Format
++Strike through text++
{-strikethrough-}
--strikethrough--
--Strike--
Superscript Format
""<sup>Superscript</sup>""
'^superscript^'
^^superscript^^
^^superscript^^
Subscript Format
""<sub>Subscript</sub>""
'_subscript_'
vvsubscriptvv
,,subscript,,
Images
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
((image.png))
file:image.png
https://example.com/image.png
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
Aligning Text
@@Center text@@
<<left floated<<
>>right floated>>
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
(% style="... css here..." %)Text
Text Indentation
(4 spaces or a ~ can replace a tab)
indented
~indented
-> indented text
--> more indentation
-< hanging text
--< more indentation
one
two
Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text
Bulleted Lists
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
*one
**One-two
*two
*three
* List
** list
*** list
Numbered Lists
(4 spaces or a ~ can replace a tab)

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

(more options for lists are available)
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


1. Item 1
11. Item 2
111. Item 3
1. Item 4
Definition Lists
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
: 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
----
----
----
----
remove WikkaWiki remove PmWiki remove WackoWiki remove XWiki