WikkaWiki vs. JSPWiki vs. XWiki vs. Confluence

General Features WikkaWiki JSPWiki XWiki Confluence
Version
1.4.2
2.11.0
18.1.0
5.2
Last Release Date
2020-04-20 (5 years ago)
2021-11-22 (4 years ago)
2026-02-23 (8 days ago)
2013-08-13 (12 years ago)
Last Update here
2020-04-20 (5 years ago)
2021-12-01 (4 years ago)
2026-02-23 (8 days ago)
2013-08-22 (12 years ago)
Author
Wikka Development Team
Apache Software Foundation
XWiki Development Team
Atlassian
URL
Free and Open Source
Yes
Yes
Yes
No
License
GPL
Apache License 2.0
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
Commercial + Free personal/open source project/community use
Programming Language
PHP
Java
Java
Java
Data Storage
Database
Database, Files
Database, RCS
Database
License Cost/ Fee
0
0
0
starting at US $10 installed (unlimited wikis)
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
Enterprise, Workgroups, Developers
Enterprise + Technical Teams
Hosting Features WikkaWiki JSPWiki XWiki Confluence
Storage Quota
N/A
N/A
Unlimited
Bandwidth Quota
N/A
N/A
Other Limits
N/A
N/A
No
Topic Restrictions
N/A
N/A
No
Corporate Branding
N/A
N/A
Yes
Yes
Own Domain
N/A
N/A
Yes
Optional
Ads allowed
N/A
N/A
No
No
System Requirements WikkaWiki JSPWiki XWiki Confluence
Operating System
any (platform-independent)
any platform supporting JDK 1.8+
Any platform supporting Java 17 or greater
Windows, Linux and Unix variants
Root Access
No
No
No
No
Webserver
any server with PHP/MySQL support
Any servlet 3.1 compliant web server, e.g. Tomcat 8.5+, Jetty, Glassfish, Websphere
Servlet 5.0+
Apache Tomcat
Other Requirements
mod_rewrite (optional)
optional JavaMail for mailing functionality
Java 17, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
Oracle JDK 1.6.0_4+
Datastorage WikkaWiki JSPWiki XWiki Confluence
Text Files
No
Yes
No
No
MySQL
Yes
Optional
Yes
Yes
PostgreSQL
No
Optional
Yes
Yes
Oracle
No
Optional
Yes
Yes
SQLite
Yes
Optional
No
No
BerkeleyDB
No
Optional
No
No
RCS
No
Plugin
Plugin
No
Other
No
JDBC driver must be provided manually; also Page provider architecture -> several implementations
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 JSPWiki XWiki Confluence
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
Active Directory (patch)
JAAS -> interface to many external backends possible
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
LDAP, NTLM, Siteminder, CAS and more
Host Blocking
Yes
Optional
No
No
Mail Encryption
No
Plugin
Yes
Optional
nofollow
Yes
Optional
No
Optional
Blacklist
Yes
Yes
Plugin
No
CAPTCHA
Plugin
Yes
Yes
Yes
Delayed Indexing
No
Yes
Yes
No
Development/Support WikkaWiki JSPWiki XWiki Confluence
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Freenode: #jspwiki
Stars on GitHub
42 ⭐
113 ⭐
N/A
N/A
Common Features WikkaWiki JSPWiki XWiki Confluence
Preview
Yes
Yes
Yes
Yes
Minor Changes
No
No
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 JSPWiki XWiki Confluence
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
No
No
Interface Languages
0
10
Breton, German, English, Spanish, Finnish, French, Italian, Dutch, Russian, Chinese
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
15
Danish, German, Greek, English, Spanish, Finnish, French, Hungarian, Japanese, Korean, Portuguese, Russian, Swahili, Chinese, Chinese Traditional
Email notification
Patch
Plugin
Yes
Yes
Comments
Threaded
Flat
Threaded
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
No
No
Yes
Yes
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Conflict Resolution
Concurrent Editing
Yes
Unknown
Yes
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
No
Patch
Yes
Yes
Structured Data
Plugin
Yes
Yes
Plugin
Links WikkaWiki JSPWiki XWiki Confluence
CamelCase
Yes
Yes
Yes
Yes
Freelinks
Patch
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Optional
SisterWiki
No
No
Yes
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Optional
Yes
Yes
Page Redirects
Patch
Yes
Yes
Plugin
Syntax Features WikkaWiki JSPWiki XWiki Confluence
HTML Tags
Some
Optional
All
Optional
Math formulas
Plugin
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
No
Yes
Yes
No
Markdown Support
No
No
Yes
No
Textile Support
No
No
No
Yes
BBCode Support
No
No
No
No
Emoticon Images
No
Plugin
Yes
Yes
Syntax Highlighting
Yes
Yes
Yes
Yes
Footnotes
Plugin
Yes
Yes
Plugin
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Yes
Plugin
Yes
Plugin
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
No
Plugin
Yes
Scripting
Extensibility through drop-in plugins
plugins for JavaScript, TCL and Groovy
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
Macros, plugins, widgets, JavaScript and more
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Yes
Optional
Yes
Yes
Usability WikkaWiki JSPWiki XWiki Confluence
Section Editing
No
Yes
Yes
No
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Yes
No
No
No
Toolbar
Yes
Yes
Yes
Yes
WYSIWYG Editing
Plugin
Yes
Yes
Yes
Access Keys
Patch
Yes
Yes
Yes
Auto Signature
Patch
Optional
No
No
Statistics WikkaWiki JSPWiki XWiki Confluence
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Yes
Orphaned Pages
Yes
Yes
Yes
Yes
Most/Least Popular
Patch
No
Yes
Yes
Recent Visitors
Patch
No
Yes
No
Analysis
Yes
No
Yes
Yes
Output WikkaWiki JSPWiki XWiki Confluence
Printer Friendly
Print CSS
Print CSS
Print CSS
Print CSS
Mobile Friendly
Unknown
Yes
Yes
Plugin
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Yes
Yes
ATOM Feeds
Plugin
Yes
Optional
Yes
Abbreviations
Patch
No
Plugin
No
Auto-TOC
Yes
Yes
Optional
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Optional
Yes
Yes
XML export
Patch
No
Yes
Yes
PDF Export
No
Plugin
Yes
Yes
Office Export
No
Unknown
Yes
Unknown
Media and Files WikkaWiki JSPWiki XWiki Confluence
File Attachments
Yes
Yes
Yes
Yes
Media Revisions
No
Yes
Yes
Yes
Embedded Flash
Yes
Yes
Yes
Yes
Embedded Video
No
Yes
Yes
Yes
Image Editing
No
No
Plugin
Plugin
SVG Editing
No
No
Plugin
Plugin
MindMap Editing
Yes
No
Plugin
Plugin
Media Search
No
Contents
Contents
Contents
Extras WikkaWiki JSPWiki XWiki Confluence
Calendar
Plugin
Plugin
Plugin
Plugin
Image Galleries
Plugin
Yes
Yes
Yes
Presentations
No
Unknown
Plugin
Unknown
Forums
No
Yes
Plugin
Plugin
Blogs
Plugin
Yes
Plugin
Yes
Ticket System
No
No
Plugin
Plugin
Chat
No
Unknown
Plugin
Unknown
Syntax Examples WikkaWiki JSPWiki XWiki Confluence
Internal Link
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
[link]
[text|link]
[text|wiki:link]
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)
[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]
External Link
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
[http://www.example.com/]
[example|http://www.example.com/]
[text|wiki:link]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]
Headlines
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
! Level 1
!! Level 2
!!! Level 3
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading
Bold Format
**bold**
__bold__
**bold**
*bold*
Italics Format
//italic//
''italics''
//Italics//
_italics_
Underline Format
__underlined__
%%(text-decoration: underline) text %%
__underline__
+underline+
Monospace Format
##monospaced##
{{monospace}}
##monospace##
{{monospace}}
Strikethrough Format
++Strike through text++
%%(text-decoration: line-through) deleted text %%
--Strike--
-strikethrough-
Superscript Format
""<sup>Superscript</sup>""
%%(vertical-align: sup) text %%
^^superscript^^
^superscript^
Subscript Format
""<sub>Subscript</sub>""
%%(vertical-align: sub) text %%
,,subscript,,
~subscript~
Images
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
[local.jpg]
[{Image src='local.jpg'}]
[{Image src='http://foo.bar/foo.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
@@Center text@@
<<left floated<<
>>right floated>>
%%(text-align: right) text %%
(% style="... css here..." %)Text
Text Indentation
(4 spaces or a ~ can replace a tab)
indented
~indented
%%(text-indent: 20px) 20 pixels %%
%%(text-indent: 30%) 30 percent %%
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
* List
** list
*** list
* one
** one-two
* two
* three
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
1. Item 1
11. Item 2
111. Item 3
1. Item 4
# one
## one-two
# two
# three
Definition Lists
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
;term:definition
; term
: definition
Horizontal Rule
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remove WikkaWiki remove JSPWiki remove XWiki remove Confluence