WackoWiki vs. XWiki vs. Zwiki vs. ErfurtWiki

General Features WackoWiki XWiki Zwiki ErfurtWiki
Version
6.2.1
18.1.0
0.61
R1.02b (kind of final release :-)
Last Release Date
2026-03-03 (13 days ago)
2026-02-23 (21 days ago)
2008-10-28 (17 years ago)
2005-06-16 (20 years ago)
Last Update here
2026-03-03 (13 days ago)
2026-02-23 (21 days ago)
2008-10-30 (17 years ago)
2010-04-04 (15 years ago)
Author
WackoWiki Team
XWiki Development Team
Simon Michael & the Zwiki dev team
Mario Salzer & Andi Fundinger
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
GPLv2
Public Domain (!)
Programming Language
PHP
Java
Python
PHP
Data Storage
Database
Database, RCS
Database
Database, Files, RCS
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
Enterprise, Workgroups, Developers
anyone able to install or get access to a zope server
small + medium sites, development teams
Hosting Features WackoWiki XWiki Zwiki ErfurtWiki
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
Yes
N/A
N/A
Own Domain
N/A
Yes
N/A
N/A
Ads allowed
N/A
No
N/A
N/A
System Requirements WackoWiki XWiki Zwiki ErfurtWiki
Operating System
OS Independent
Any platform supporting Java 17 or greater
any
any
Root Access
No
No
No
No
Webserver
run with the appserver/webserver of your choice
Servlet 5.0+
Zope
anything with PHP support
Other Requirements
mod_rewrite (optional)
Java 17, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
none
Datastorage WackoWiki XWiki Zwiki ErfurtWiki
Text Files
No
No
Plugin
Plugin
MySQL
Yes
Yes
Plugin
Plugin
PostgreSQL
No
Yes
Plugin
Plugin
Oracle
No
Yes
Plugin
No
SQLite
Yes
No
Unknown
Plugin
BerkeleyDB
No
No
Unknown
Plugin
RCS
No
Plugin
Unknown
Plugin
Other
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
ZODB (zope object database)
no
Security/Anti-Spam WackoWiki XWiki Zwiki ErfurtWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
any supported by Zope authentication plugins
UNIX, LDAP, MySQL, PHP, other
Host Blocking
Optional
No
Patch
Plugin
Mail Encryption
Optional
Yes
Yes
Plugin
nofollow
Optional
No
Unknown
Plugin
Blacklist
Yes
Plugin
Yes
Plugin
CAPTCHA
Yes
Yes
No
Plugin
Delayed Indexing
No
Yes
Patch
Patch
Development/Support WackoWiki XWiki Zwiki ErfurtWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#zwiki on freenode
not yet :-)
Stars on GitHub
56 ⭐
N/A
N/A
N/A
Common Features WackoWiki XWiki Zwiki ErfurtWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
No
Plugin
Change Summary
Yes
Yes
Yes
Plugin
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
Plugin
Plugin System
Yes
Yes
Yes
Yes
Special Features WackoWiki XWiki Zwiki ErfurtWiki
Unicode Support
Yes
Yes
Yes
No
Right-to-Left Support
Yes
No
Optional
Patch
Interface Languages
30
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Ukrainian, 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
0
4
German, English, Spanish, Dutch
Email notification
Yes
Yes
Yes
Plugin
Comments
Flat
Threaded
Flat
Plugin
Categories
Yes
Yes
No
Yes
Namespaces
Yes
Yes
No
No
Conflict Handling
Page Locking
Conflict Resolution
Conflict Detection
Page Locking
Concurrent Editing
No
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Patch
Yes
Unknown
Optional
Structured Data
Plugin
Yes
Unknown
No
Links WackoWiki XWiki Zwiki ErfurtWiki
CamelCase
Optional
Yes
Optional
Yes
Freelinks
Yes
Yes
Optional
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Plugin
SisterWiki
No
Yes
No
Plugin
Image Links
Yes
Yes
Yes
Patch
Windows Shares
Yes
Yes
Unknown
Yes
Page Redirects
Yes
Yes
Unknown
Plugin
Syntax Features WackoWiki XWiki Zwiki ErfurtWiki
HTML Tags
All
All
Optional
Plugin
Math formulas
Plugin
Yes
Plugin
No
Tables
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
No
Yes
No
Optional
Markdown Support
No
Yes
No
No
Textile Support
No
No
No
No
BBCode Support
Patch
No
No
Plugin
Emoticon Images
Yes
Yes
Patch
Plugin
Syntax Highlighting
Yes
Yes
No
Plugin
Footnotes
Yes
Yes
Yes
Plugin
Quoting
Yes
Yes
Yes
Plugin
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Plugin
Optional
Yes
Scripting
actions (PHP)
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
DTML
optional
Content Includes
Yes
Yes
Yes
Plugin
Feed Aggregation
Yes
Yes
Plugin
Plugin
Usability WackoWiki XWiki Zwiki ErfurtWiki
Section Editing
Yes
Yes
No
No
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
Yes
No
Patch
Patch
Toolbar
Yes
Yes
No
No
WYSIWYG Editing
Plugin
Yes
Plugin
No
Access Keys
Yes
Yes
Yes
Optional
Auto Signature
Yes
No
Yes
No
Statistics WackoWiki XWiki Zwiki ErfurtWiki
Recent Changes
Yes
Yes
Yes
Plugin
Wanted Pages
Yes
Yes
No
Plugin
Orphaned Pages
Yes
Yes
Optional
Plugin
Most/Least Popular
Yes
Yes
Optional
Plugin
Recent Visitors
Yes
Yes
Plugin
Optional
Analysis
Plugin
Yes
No
No
Output WackoWiki XWiki Zwiki ErfurtWiki
Printer Friendly
Print View
Print CSS
Print View
Print CSS
Mobile Friendly
Yes
Yes
Unknown
Yes
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Yes
Plugin
ATOM Feeds
No
Optional
No
Plugin
Abbreviations
Patch
Plugin
Unknown
Optional
Auto-TOC
Yes
Optional
Plugin
Plugin
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
XML export
Yes
Yes
Yes
Optional
PDF Export
Patch
Yes
Patch
Optional
Office Export
Patch
Yes
Unknown
Unknown
Media and Files WackoWiki XWiki Zwiki ErfurtWiki
File Attachments
Yes
Yes
Yes
Plugin
Media Revisions
No
Yes
No
No
Embedded Flash
Yes
Yes
Yes
Plugin
Embedded Video
Yes
Yes
Yes
Plugin
Image Editing
No
Plugin
No
No
SVG Editing
No
Plugin
No
No
MindMap Editing
Plugin
Plugin
No
No
Media Search
Contents
Contents
Filenames only
No
Extras WackoWiki XWiki Zwiki ErfurtWiki
Calendar
Plugin
Plugin
Unknown
Plugin
Image Galleries
Plugin
Yes
Unknown
Plugin
Presentations
Plugin
Plugin
Unknown
Unknown
Forums
Optional
Plugin
Unknown
No
Blogs
Optional
Plugin
Unknown
Yes
Ticket System
No
Plugin
Unknown
No
Chat
Patch
Plugin
Unknown
Unknown
Syntax Examples WackoWiki XWiki Zwiki ErfurtWiki
Internal Link
[[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)
WikiName
[freeform name]
[[double-bracketed]]
WikiPage
[WikiPage | Go here]
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[[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..
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
!!! Big Headline
!! Medium Headline
! Section Headline
Bold Format
**bold**
**bold**
__bold text__
**bold text**
Italics Format
//italics//
//Italics//
''ialic text''
Underline Format
__underline__
__underline__
optional or via css
Monospace Format
##monospace##
##monospace##
==monospaced text==
Strikethrough Format
--strikethrough--
--Strike--
optional or via css
Superscript Format
^^superscript^^
^^superscript^^
^^superscript text^^
Subscript Format
,,subscript,,
,,subscript,,
optional or via css
Images
((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
[link to the image.jpg]
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
(% style="... css here..." %)Text
optional or via css
Text Indentation
one
two
Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text
just use 3 spaces or tabs
indented text
Bulleted Lists
*one
**One-two
*two
*three
* List
** list
*** list
* Item A
* Item B
** Item B1
Numbered Lists
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
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
; term
: definition
:definition: explanation
:anotherdef: another description
Horizontal Rule
----
----
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remove WackoWiki remove XWiki remove Zwiki remove ErfurtWiki