Wikidot vs. WikkaWiki vs. XWiki vs. Zwiki

General Features Wikidot WikkaWiki XWiki Zwiki
Version
1.4.2
18.4.1
0.61
Last Release Date
2020-04-20 (6 years ago)
2026-06-15 (5 days ago)
2008-10-28 (17 years ago)
Last Update here
2009-12-09 (16 years ago)
2020-04-20 (6 years ago)
2026-06-16 (4 days ago)
2008-10-30 (17 years ago)
Author
Michal Frackowiak
Wikka Development Team
XWiki Development Team
Simon Michael & the Zwiki dev team
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
AGPLv3
GPL
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
GPLv2
Programming Language
PHP
Java
Python
Data Storage
Database
Database
Database, RCS
Database
License Cost/ Fee
Free / Paid Accounts (starts from $5 per month)
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
companies, private users, social groups and communities, software developers, tech geeks
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
Enterprise, Workgroups, Developers
anyone able to install or get access to a zope server
Hosting Features Wikidot WikkaWiki XWiki Zwiki
Storage Quota
1500MB for free users, more for Pro accounts
N/A
N/A
Bandwidth Quota
no limit
N/A
N/A
Other Limits
max uploaded file size limit
N/A
N/A
Topic Restrictions
by Terms Of Service
N/A
N/A
Corporate Branding
Yes
N/A
Yes
N/A
Own Domain
Yes
N/A
Yes
N/A
Ads allowed
Yes
N/A
No
N/A
System Requirements Wikidot WikkaWiki XWiki Zwiki
Operating System
any (platform-independent)
Any platform supporting Java 17 or greater
any
Root Access
No
No
No
No
Webserver
any server with PHP/MySQL support
Servlet 5.0+
Zope
Other Requirements
mod_rewrite (optional)
Java 17, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
Datastorage Wikidot WikkaWiki XWiki Zwiki
Text Files
Unknown
No
No
Plugin
MySQL
Unknown
Yes
Yes
Plugin
PostgreSQL
Yes
No
Yes
Plugin
Oracle
Unknown
No
Yes
Plugin
SQLite
Unknown
Yes
No
Unknown
BerkeleyDB
Unknown
No
No
Unknown
RCS
Unknown
No
Plugin
Unknown
Other
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
ZODB (zope object database)
Security/Anti-Spam Wikidot WikkaWiki XWiki Zwiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
Active Directory (patch)
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
any supported by Zope authentication plugins
Host Blocking
Yes
Yes
No
Patch
Mail Encryption
No
No
Yes
Yes
nofollow
Yes
Yes
No
Unknown
Blacklist
Yes
Yes
Plugin
Yes
CAPTCHA
Yes
Plugin
Yes
No
Delayed Indexing
Yes
No
Yes
Patch
Development/Support Wikidot WikkaWiki XWiki Zwiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#zwiki on freenode
Stars on GitHub
N/A
42 ⭐
N/A
N/A
Common Features Wikidot WikkaWiki XWiki Zwiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
No
Yes
No
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
No
Yes
Yes
Yes
Special Features Wikidot WikkaWiki XWiki Zwiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
No
Optional
Interface Languages
2
English, Polish
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
0
Email notification
Yes
Patch
Yes
Yes
Comments
Threaded
Threaded
Threaded
Flat
Categories
Yes
Yes
Yes
No
Namespaces
Yes
No
Yes
No
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Conflict Detection
Concurrent Editing
Unknown
Yes
Yes
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
No
Yes
Unknown
Structured Data
Yes
Plugin
Yes
Unknown
Links Wikidot WikkaWiki XWiki Zwiki
CamelCase
No
Yes
Yes
Optional
Freelinks
Yes
Patch
Yes
Optional
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Yes
SisterWiki
No
No
Yes
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
No
Yes
Unknown
Page Redirects
Yes
Patch
Yes
Unknown
Syntax Features Wikidot WikkaWiki XWiki Zwiki
HTML Tags
None
Some
All
Optional
Math formulas
Yes
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
Yes
No
Markdown Support
No
No
Yes
No
Textile Support
No
No
No
No
BBCode Support
No
No
No
No
Emoticon Images
No
No
Yes
Patch
Syntax Highlighting
Yes
Yes
Yes
No
Footnotes
Yes
Plugin
Yes
Yes
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
No
Plugin
Optional
Scripting
CSS styles, embeddable JavaScript, reporting language
Extensibility through drop-in plugins
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
DTML
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Yes
Yes
Yes
Plugin
Usability Wikidot WikkaWiki XWiki Zwiki
Section Editing
Yes
No
Yes
No
Page Templates
Yes
Yes
Yes
No
Double-Click Edit
No
Yes
No
Patch
Toolbar
Yes
Yes
Yes
No
WYSIWYG Editing
No
Plugin
Yes
Plugin
Access Keys
Yes
Patch
Yes
Yes
Auto Signature
Yes
Patch
No
Yes
Statistics Wikidot WikkaWiki XWiki Zwiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
No
Orphaned Pages
Yes
Yes
Yes
Optional
Most/Least Popular
No
Patch
Yes
Optional
Recent Visitors
No
Patch
Yes
Plugin
Analysis
Yes
Yes
Yes
No
Output Wikidot WikkaWiki XWiki Zwiki
Printer Friendly
Print View
Print CSS
Print CSS
Print View
Mobile Friendly
Optional
Unknown
Yes
Unknown
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Yes
Yes
ATOM Feeds
No
Plugin
Optional
No
Abbreviations
No
Patch
Plugin
Unknown
Auto-TOC
Yes
Yes
Optional
Plugin
Raw Export
Yes
Yes
Yes
Yes
HTML Export
No
Yes
Yes
Yes
XML export
No
Patch
Yes
Yes
PDF Export
No
No
Yes
Patch
Office Export
Unknown
No
Yes
Unknown
Media and Files Wikidot WikkaWiki XWiki Zwiki
File Attachments
Yes
Yes
Yes
Yes
Media Revisions
No
No
Yes
No
Embedded Flash
Yes
Yes
Yes
Yes
Embedded Video
Yes
No
Yes
Yes
Image Editing
No
No
Plugin
No
SVG Editing
No
No
Plugin
No
MindMap Editing
No
Yes
Plugin
No
Media Search
No
No
Contents
Filenames only
Extras Wikidot WikkaWiki XWiki Zwiki
Calendar
Optional
Plugin
Plugin
Unknown
Image Galleries
Yes
Plugin
Yes
Unknown
Presentations
Unknown
No
Plugin
Unknown
Forums
Yes
No
Plugin
Unknown
Blogs
Yes
Plugin
Plugin
Unknown
Ticket System
Yes
No
Plugin
Unknown
Chat
Unknown
No
Plugin
Unknown
Syntax Examples Wikidot WikkaWiki XWiki Zwiki
Internal Link
[[[page-name]]] or
[[[page-name|anchor]]]
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)
WikiName
[freeform name]
[[double-bracketed]]
External Link
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
Bare urls plus markup-specific 
link syntax. This and all 
following syntax examples depend 
on which markup mode is used for 
a page, including:

restructured text, structured 
text, wikiwikiweb, moinmoin, 
html, plaintext..
Headlines
+++ headline level 3
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
Bold Format
**bold text**
**bold**
**bold**
Italics Format
//italic text//
//italic//
//Italics//
Underline Format
__underlined text__
__underlined__
__underline__
Monospace Format
{{monospaced text}}
##monospaced##
##monospace##
Strikethrough Format
--strikethrough text--
++Strike through text++
--Strike--
Superscript Format
^^superscript^^
""<sup>Superscript</sup>""
^^superscript^^
Subscript Format
,,subscript,,
""<sub>Subscript</sub>""
,,subscript,,
Images
[[image src="..."]]
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
= Centered line
@@Center text@@
<<left floated<<
>>right floated>>
(% style="... css here..." %)Text
Text Indentation
> First level of indentation
>> Second level of indentation.
(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
* element 1
* element 2
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
* List
** list
*** list
Numbered Lists
# element 1
# element 1
(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
: item : description
""<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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remove Wikidot remove WikkaWiki remove XWiki remove Zwiki