GWiki vs. XWiki vs. WikkaWiki

General Features GWiki XWiki WikkaWiki
Version
2.4.0
18.6.0
1.4.2
Last Release Date
2018-06-15 (8 years ago)
2026-07-27 (3 days ago)
2020-04-20 (6 years ago)
Last Update here
2018-10-16 (7 years ago)
2026-07-28 (2 days ago)
2020-04-20 (6 years ago)
Author
Roger Rene Kommer
XWiki Development Team
Wikka Development Team
URL
Free and Open Source
Yes
Yes
Yes
License
Apache License, Version 2.0
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
GPL
Programming Language
Java
Java
PHP
Data Storage
Database, Files
Database, RCS
Database
License Cost/ Fee
Free
0
0
Development status
Mature
Mature
Mature
Intended Audience
User, Developer, Enterprise, Workgroups
Enterprise, Workgroups, Developers
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
Hosting Features GWiki XWiki WikkaWiki
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
Yes
N/A
Own Domain
N/A
Yes
N/A
Ads allowed
N/A
No
N/A
System Requirements GWiki XWiki WikkaWiki
Operating System
Windows, Mac OS X, Linux (All Java Plattforms)
Any platform supporting Java 21 or greater
any (platform-independent)
Root Access
No
No
No
Webserver
All Java Servlet Container, included
Servlet 5.0+
any server with PHP/MySQL support
Other Requirements
Java 1.8+
Java 21, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
mod_rewrite (optional)
Datastorage GWiki XWiki WikkaWiki
Text Files
Yes
No
No
MySQL
Yes
Yes
Yes
PostgreSQL
Yes
Yes
No
Oracle
Yes
Yes
No
SQLite
No
No
Yes
BerkeleyDB
No
No
No
RCS
Plugin
Plugin
No
Other
Google Datastore
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
No
Security/Anti-Spam GWiki XWiki WikkaWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
Internal and external with adapter
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
Active Directory (patch)
Host Blocking
No
No
Yes
Mail Encryption
No
Yes
No
nofollow
Optional
No
Yes
Blacklist
No
Plugin
Yes
CAPTCHA
Yes
Yes
Plugin
Delayed Indexing
No
Yes
No
Development/Support GWiki XWiki WikkaWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
7 ⭐
N/A
42 ⭐
Common Features GWiki XWiki WikkaWiki
Preview
Yes
Yes
Yes
Minor Changes
Yes
Yes
No
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
Yes
Yes
Yes
Special Features GWiki XWiki WikkaWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Optional
No
Yes
Interface Languages
2
German, English
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
0
Email notification
Yes
Yes
Patch
Comments
Threaded
Threaded
Threaded
Categories
Yes
Yes
Yes
Namespaces
Yes
Yes
No
Conflict Handling
Conflict Resolution
Conflict Resolution
Page Locking
Concurrent Editing
No
Yes
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
No
Structured Data
Yes
Yes
Plugin
Links GWiki XWiki WikkaWiki
CamelCase
Plugin
Yes
Yes
Freelinks
Yes
Yes
Patch
Backlinks
Yes
Yes
Yes
InterWiki
No
Yes
Yes
SisterWiki
No
Yes
No
Image Links
Yes
Yes
Yes
Windows Shares
No
Yes
No
Page Redirects
Yes
Yes
Patch
Syntax Features GWiki XWiki WikkaWiki
HTML Tags
All
All
Some
Math formulas
No
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
Yes
No
Markdown Support
No
Yes
No
Textile Support
Yes
No
No
BBCode Support
No
No
No
Emoticon Images
No
Yes
No
Syntax Highlighting
Yes
Yes
Yes
Footnotes
No
Yes
Plugin
Quoting
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
Plugin
No
Scripting
Groovy, Macros, JSP-Taglibs
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
Extensibility through drop-in plugins
Content Includes
Yes
Yes
Yes
Feed Aggregation
Plugin
Yes
Yes
Usability GWiki XWiki WikkaWiki
Section Editing
Plugin
Yes
No
Page Templates
Yes
Yes
Yes
Double-Click Edit
No
No
Yes
Toolbar
Yes
Yes
Yes
WYSIWYG Editing
Yes
Yes
Plugin
Access Keys
Yes
Yes
Patch
Auto Signature
Plugin
No
Patch
Statistics GWiki XWiki WikkaWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Orphaned Pages
Yes
Yes
Yes
Most/Least Popular
Yes
Yes
Patch
Recent Visitors
No
Yes
Patch
Analysis
No
Yes
Yes
Output GWiki XWiki WikkaWiki
Printer Friendly
Print CSS
Print CSS
Print CSS
Mobile Friendly
Optional
Yes
Unknown
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Yes
ATOM Feeds
Yes
Optional
Plugin
Abbreviations
Plugin
Plugin
Patch
Auto-TOC
Yes
Optional
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
No
Yes
Patch
PDF Export
No
Yes
No
Office Export
No
Yes
No
Media and Files GWiki XWiki WikkaWiki
File Attachments
Yes
Yes
Yes
Media Revisions
Yes
Yes
No
Embedded Flash
Yes
Yes
Yes
Embedded Video
Yes
Yes
No
Image Editing
No
Plugin
No
SVG Editing
No
Plugin
No
MindMap Editing
No
Plugin
Yes
Media Search
Contents
Contents
No
Extras GWiki XWiki WikkaWiki
Calendar
Plugin
Plugin
Plugin
Image Galleries
Yes
Yes
Plugin
Presentations
Plugin
Plugin
No
Forums
Plugin
Plugin
No
Blogs
Plugin
Plugin
Plugin
Ticket System
No
Plugin
No
Chat
No
Plugin
No
Syntax Examples GWiki XWiki WikkaWiki
Internal Link
[path/Page]
[My Title|path/Page]
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)
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link
[http://example.com]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
Headlines
h1. Heading 1
h2. Heading 2
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
Bold Format
*Bold Format*
**bold**
**bold**
Italics Format
_Italic format_
//Italics//
//italic//
Underline Format
+Unterlined+
__underline__
__underlined__
Monospace Format
{{Monospace}}
##monospace##
##monospaced##
Strikethrough Format
-StrikeThrough-
--Strike--
++Strike through text++
Superscript Format
^Superscript^
^^superscript^^
""<sup>Superscript</sup>""
Subscript Format
~Subscript~
,,subscript,,
""<sub>Subscript</sub>""
Images
!path/SkinSampleGWiki.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
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
Aligning Text
{div:style=...}
Aligned Text
{div}
(% style="... css here..." %)Text
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation
{div:style=...}
Aligned Text
{div}
Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists
- Item 1
- Item 2
-- Sub Item
* List
** list
*** list
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
Numbered Lists
# Item 1
# Item 2
## Sub Item
1. Item 1
11. Item 2
111. Item 3
1. Item 4
(4 spaces or a ~ can replace a tab)

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

(more options for lists are available)
Definition Lists
* Item 1
* Item 2
** Sub Item
; term
: definition
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Horizontal Rule
----
----
----
remove GWiki remove XWiki remove WikkaWiki