UseMod vs. WikkaWiki vs. XWiki

General Features UseMod WikkaWiki XWiki
Version
1.2.2
1.4.2
18.4.0
Last Release Date
2023-11-10 (2 years ago)
2020-04-20 (6 years ago)
2026-05-27 (13 days ago)
Last Update here
2025-02-25 (1 year ago)
2020-04-20 (6 years ago)
2026-05-27 (13 days ago)
Author
Clifford Adams
Wikka Development Team
XWiki Development Team
URL
Free and Open Source
Yes
Yes
Yes
License
GPL
GPL
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
Programming Language
Perl
PHP
Java
Data Storage
Files
Database
Database, RCS
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
Enterprise, Workgroups, Developers
Hosting Features UseMod WikkaWiki XWiki
Storage Quota
N/A
N/A
Bandwidth Quota
N/A
N/A
Other Limits
N/A
N/A
Topic Restrictions
N/A
N/A
Corporate Branding
N/A
N/A
Yes
Own Domain
N/A
N/A
Yes
Ads allowed
N/A
N/A
No
System Requirements UseMod WikkaWiki XWiki
Operating System
Linux, Windows, MacOS X
any (platform-independent)
Any platform supporting Java 17 or greater
Root Access
No
No
No
Webserver
Apache, probably anything with CGI support
any server with PHP/MySQL support
Servlet 5.0+
Other Requirements
mod_rewrite (optional)
Java 17, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
Datastorage UseMod WikkaWiki XWiki
Text Files
Yes
No
No
MySQL
No
Yes
Yes
PostgreSQL
No
No
Yes
Oracle
No
No
Yes
SQLite
No
Yes
No
BerkeleyDB
No
No
No
RCS
No
No
Plugin
Other
No
No
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 UseMod WikkaWiki XWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
Active Directory (patch)
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
Host Blocking
Yes
Yes
No
Mail Encryption
Unknown
No
Yes
nofollow
Patch
Yes
No
Blacklist
Patch
Yes
Plugin
CAPTCHA
No
Plugin
Yes
Delayed Indexing
No
No
Yes
Development/Support UseMod WikkaWiki XWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
42 ⭐
N/A
Common Features UseMod WikkaWiki XWiki
Preview
Yes
Yes
Yes
Minor Changes
Yes
No
Yes
Change Summary
Yes
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 UseMod WikkaWiki XWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Unknown
Yes
No
Interface Languages
0
0
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
Unknown
Patch
Yes
Comments
No
Threaded
Threaded
Categories
Unknown
Yes
Yes
Namespaces
Unknown
No
Yes
Conflict Handling
Conflict Detection
Page Locking
Conflict Resolution
Concurrent Editing
No
Yes
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Unknown
No
Yes
Structured Data
Unknown
Plugin
Yes
Links UseMod WikkaWiki XWiki
CamelCase
Optional
Yes
Yes
Freelinks
Yes
Patch
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
Yes
No
Yes
Image Links
Yes
Yes
Yes
Windows Shares
No
No
Yes
Page Redirects
Yes
Patch
Yes
Syntax Features UseMod WikkaWiki XWiki
HTML Tags
Some
Some
All
Math formulas
No
Plugin
Yes
Tables
simple
simple + complex
simple + complex
CREOLE support
Unknown
No
Yes
Markdown Support
No
No
Yes
Textile Support
No
No
No
BBCode Support
No
No
No
Emoticon Images
No
No
Yes
Syntax Highlighting
No
Yes
Yes
Footnotes
No
Plugin
Yes
Quoting
No
Yes
Yes
Internal Comments
No
Yes
Yes
Custom styles
No
Yes
Yes
FAQ Tags
No
No
Plugin
Scripting
None
Extensibility through drop-in plugins
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
Content Includes
Unknown
Yes
Yes
Feed Aggregation
Unknown
Yes
Yes
Usability UseMod WikkaWiki XWiki
Section Editing
No
No
Yes
Page Templates
No
Yes
Yes
Double-Click Edit
No
Yes
No
Toolbar
No
Yes
Yes
WYSIWYG Editing
No
Plugin
Yes
Access Keys
Unknown
Patch
Yes
Auto Signature
No
Patch
No
Statistics UseMod WikkaWiki XWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Patch
Yes
Yes
Orphaned Pages
Patch
Yes
Yes
Most/Least Popular
No
Patch
Yes
Recent Visitors
No
Patch
Yes
Analysis
No
Yes
Yes
Output UseMod WikkaWiki XWiki
Printer Friendly
No
Print CSS
Print CSS
Mobile Friendly
Unknown
Unknown
Yes
Themes & Skins
No
Yes
Yes
RSS Feeds
Yes
Yes
Yes
ATOM Feeds
No
Plugin
Optional
Abbreviations
No
Patch
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
No
Yes
Yes
HTML Export
No
Yes
Yes
XML export
No
Patch
Yes
PDF Export
No
No
Yes
Office Export
Unknown
No
Yes
Media and Files UseMod WikkaWiki XWiki
File Attachments
Optional
Yes
Yes
Media Revisions
No
No
Yes
Embedded Flash
No
Yes
Yes
Embedded Video
No
No
Yes
Image Editing
Unknown
No
Plugin
SVG Editing
Unknown
No
Plugin
MindMap Editing
Unknown
Yes
Plugin
Media Search
No
No
Contents
Extras UseMod WikkaWiki XWiki
Calendar
Unknown
Plugin
Plugin
Image Galleries
Unknown
Plugin
Yes
Presentations
Unknown
No
Plugin
Forums
Unknown
No
Plugin
Blogs
Unknown
Plugin
Plugin
Ticket System
Unknown
No
Plugin
Chat
Unknown
No
Plugin
Syntax Examples UseMod WikkaWiki XWiki
Internal Link
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
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]]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
Headlines
= Level 1 =
== Level 2 ==
=== Level 3 ===
==== Level 4 ====
===== Level 5 =====
====== Level 6 ======
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
Bold Format
'''bold'''
**bold**
**bold**
Italics Format
''italic''
//italic//
//Italics//
Underline Format
<u>underline</u>
__underlined__
__underline__
Monospace Format
<tt>for monospace text</tt>
##monospaced##
##monospace##
Strikethrough Format
N/A
++Strike through text++
--Strike--
Superscript Format
<sup>superscript</sup>
""<sup>Superscript</sup>""
^^superscript^^
Subscript Format
<sub>subscript</sub>
""<sub>Subscript</sub>""
,,subscript,,
Images
http://url.com/pic.gif
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
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
N/A
@@Center text@@
<<left floated<<
>>right floated>>
(% style="... css here..." %)Text
Text Indentation
: indented
(4 spaces or a ~ can replace a tab)
indented
~indented
Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
* List
** list
*** list
Numbered Lists
# Item 1
## Item 1.1
# Item 2
(4 spaces or a ~ can replace a tab)

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

(more options for lists are available)
1. Item 1
11. Item 2
111. Item 3
1. Item 4
Definition Lists
;Term:Definition
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
; term
: definition
Horizontal Rule
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----
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remove UseMod remove WikkaWiki remove XWiki