Wiclear vs. wxWikiServer vs. XWiki vs. PmWiki

General Features Wiclear wxWikiServer XWiki PmWiki
Version
1.0
1.5.11c
18.5.0
2.6.0
Last Release Date
2007-08-07 (18 years ago)
2005-12-03 (20 years ago)
2026-06-29 (17 days ago)
2026-05-16 (2 months ago)
Last Update here
2007-09-16 (18 years ago)
2006-02-07 (20 years ago)
2026-06-29 (17 days ago)
2026-05-16 (2 months ago)
Author
David Jobet
Ryan Norton
XWiki Development Team
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL2
wxWindows Lib/Public Domain
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
GPL2+
Programming Language
PHP
C++
Java
PHP
Data Storage
Database
Files
Database, RCS
Files
License Cost/ Fee
0
NA
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
private users
End users/Desktop
Enterprise, Workgroups, Developers
All
Hosting Features Wiclear wxWikiServer XWiki PmWiki
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
N/A
Yes
N/A
Own Domain
N/A
N/A
Yes
N/A
Ads allowed
N/A
N/A
No
N/A
System Requirements Wiclear wxWikiServer XWiki PmWiki
Operating System
All
MS Windows/Mac/Linux
Any platform supporting Java 21 or greater
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
No
Webserver
Apache
built-in
Servlet 5.0+
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
MySql
None
Java 21, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
none
Datastorage Wiclear wxWikiServer XWiki PmWiki
Text Files
No
Yes
No
Yes
MySQL
Yes
No
Yes
Plugin
PostgreSQL
No
No
Yes
No
Oracle
No
No
Yes
No
SQLite
No
No
No
Plugin
BerkeleyDB
No
No
No
No
RCS
No
No
Plugin
Plugin
Other
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
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam Wiclear wxWikiServer XWiki PmWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Authentication Backends
unknown
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
Host Blocking
Yes
Yes
No
Optional
Mail Encryption
Yes
No
Yes
Optional
nofollow
Yes
No
No
Yes
Blacklist
Yes
No
Plugin
Optional
CAPTCHA
Yes
No
Yes
Plugin
Delayed Indexing
No
No
Yes
Optional
Development/Support Wiclear wxWikiServer XWiki PmWiki
# of Consultants
Preconfigured Hosting
No
No
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
N/A
Common Features Wiclear wxWikiServer XWiki PmWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
No
Yes
Yes
Change Summary
Yes
No
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Restricted by Number
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Plugin
Yes
Yes
Yes
Plugin System
Yes
No
Yes
Yes
Special Features Wiclear wxWikiServer XWiki PmWiki
Unicode Support
Yes
No
Yes
Yes
Right-to-Left Support
No
Unknown
No
Optional
Interface Languages
7
German, English, French, Italian, Dutch, Russian, Slovenian
1
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
38
Arabic, Bulgarian, Breton, Catalan, Czech, Danish, German, Greek, English, Esperanto, Spanish, Persian, Finnish, French, Hungarian, Indonesian, Italian, Japanese, Lithuanian, Latvian, Lettish, Macedonian, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovak, Slovenian, Albanian, Swedish, Tamil, Turkish, Ukrainian, Vietnamese, Chinese, Chinese Traditional
Email notification
Yes
No
Yes
Optional
Comments
Flat
Flat
Threaded
Discussion Pages
Categories
Yes
No
Yes
Yes
Namespaces
No
No
Yes
Yes
Conflict Handling
Conflict Resolution
Page Locking
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Yes
Yes
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Unknown
Unknown
Yes
Yes
Structured Data
Unknown
Unknown
Yes
Yes
Links Wiclear wxWikiServer XWiki PmWiki
CamelCase
Yes
Yes
Yes
Optional
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
No
Yes
Yes
Yes
SisterWiki
No
No
Yes
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
No
Yes
Yes
Page Redirects
Unknown
Unknown
Yes
Yes
Syntax Features Wiclear wxWikiServer XWiki PmWiki
HTML Tags
Optional
All
All
Plugin
Math formulas
No
No
Yes
Plugin
Tables
simple
simple
simple + complex
simple + complex
CREOLE support
No
Unknown
Yes
Optional
Markdown Support
No
No
Yes
Plugin
Textile Support
No
No
No
No
BBCode Support
No
No
No
Plugin
Emoticon Images
Yes
No
Yes
Plugin
Syntax Highlighting
No
Yes
Yes
Optional
Footnotes
Yes
Yes
Yes
Plugin
Quoting
Yes
No
Yes
Plugin
Internal Comments
Yes
No
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
No
Plugin
Yes
Scripting
Not at the moment
no
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
No
Yes
Yes
Yes
Feed Aggregation
Yes
No
Yes
Plugin
Usability Wiclear wxWikiServer XWiki PmWiki
Section Editing
Yes
No
Yes
Plugin
Page Templates
No
No
Yes
Yes
Double-Click Edit
No
Yes
No
Plugin
Toolbar
Plugin
No
Yes
Optional
WYSIWYG Editing
No
No
Yes
Plugin
Access Keys
Yes
Unknown
Yes
Yes
Auto Signature
No
Unknown
No
Yes
Statistics Wiclear wxWikiServer XWiki PmWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
No
No
Yes
Optional
Orphaned Pages
No
Yes
Yes
Optional
Most/Least Popular
No
No
Yes
No
Recent Visitors
No
Yes
Yes
Plugin
Analysis
No
No
Yes
Plugin
Output Wiclear wxWikiServer XWiki PmWiki
Printer Friendly
Print View
No
Print CSS
Print View
Mobile Friendly
Unknown
Unknown
Yes
Yes
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
No
Yes
Optional
ATOM Feeds
Yes
No
Optional
Optional
Abbreviations
Yes
No
Plugin
Plugin
Auto-TOC
Yes
Yes
Optional
Optional
Raw Export
Yes
Yes
Yes
Yes
HTML Export
No
Yes
Yes
Plugin
XML export
No
No
Yes
Plugin
PDF Export
No
No
Yes
Plugin
Office Export
Unknown
Unknown
Yes
Plugin
Media and Files Wiclear wxWikiServer XWiki PmWiki
File Attachments
Yes
No
Yes
Optional
Media Revisions
No
No
Yes
Optional
Embedded Flash
No
No
Yes
Plugin
Embedded Video
No
No
Yes
Plugin
Image Editing
No
No
Plugin
Plugin
SVG Editing
No
No
Plugin
Plugin
MindMap Editing
No
No
Plugin
Plugin
Media Search
No
No
Contents
Filenames only
Extras Wiclear wxWikiServer XWiki PmWiki
Calendar
Unknown
Unknown
Plugin
Plugin
Image Galleries
Unknown
Unknown
Yes
Plugin
Presentations
Unknown
Unknown
Plugin
Plugin
Forums
Unknown
Unknown
Plugin
Plugin
Blogs
Unknown
Unknown
Plugin
Plugin
Ticket System
Unknown
Unknown
Plugin
Plugin
Chat
Unknown
Unknown
Plugin
No
Syntax Examples Wiclear wxWikiServer XWiki PmWiki
Internal Link
[Title]
CamelCase
[AnotherLink goto alink]
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 name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
[Title|http://url.to/]
http://www.powerslave.com
[http://www.external.com xternallink]
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
!title1
!!title2
!!!title3
= heading =
== heading ==
=== heading ===
(up to 5 = signs).
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
! Level 1
!!#anchor Level 2
!!! Level 3
Bold Format
__bold__
''' bold text '''
**bold**
'''bold'''
Italics Format
''italic''
'' italic text ''
//Italics//
''italic''
Underline Format
__underline__
{+underlined+}
Monospace Format
the text must be preceded by 2 spaces
and it will be pre formatted
start line with blank space.
##monospace##
@@monospace@@
Strikethrough Format
--Strike--
{-strikethrough-}
Superscript Format
^^superscript^^
'^superscript^'
Subscript Format
,,subscript,,
'_subscript_'
Images
((image|title|left|longer description|100|100))
ilocal://icon.jpg
img:icon.jpg
img:http://www.external/image.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
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
] centred text
(% style="... css here..." %)Text
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
> single indent 
>> two indents
>>> more indenting
Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
*item1
*item2
**item21
**item22
*item3
* one
* two
* two.1
* List
** list
*** list
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
#item1
##item1.1
##item1.2
#item2
#item3
1 item one
2 item two
Or: 
# item 1
## item 1.1
# item two
1. Item 1
11. Item 2
111. Item 3
1. Item 4
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
;def1 : the complete definition of def1
;def2 : the complete definition of def2
; term
: definition
: term : definition
Horizontal Rule
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remove Wiclear remove wxWikiServer remove XWiki remove PmWiki