PmWiki vs. Wiclear vs. WikkaWiki

General Features PmWiki Wiclear WikkaWiki
Version
2.5.6
1.0
1.4.2
Last Release Date
2026-02-08 (22 days ago)
2007-08-07 (18 years ago)
2020-04-20 (5 years ago)
Last Update here
2026-02-08 (22 days ago)
2007-09-16 (18 years ago)
2020-04-20 (5 years ago)
Author
Petko Yotov (Original author: Patrick R. Michaud)
David Jobet
Wikka Development Team
URL
Free and Open Source
Yes
Yes
Yes
License
GPL2+
GPL2
GPL
Programming Language
PHP
PHP
PHP
Data Storage
Files
Database
Database
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
All
private users
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
System Requirements PmWiki Wiclear WikkaWiki
Operating System
Linux, UNIX, Windows, MacOS X, probably others
All
any (platform-independent)
Root Access
No
No
No
Webserver
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Apache
any server with PHP/MySQL support
Other Requirements
none
MySql
mod_rewrite (optional)
Datastorage PmWiki Wiclear WikkaWiki
Text Files
Yes
No
No
MySQL
Plugin
Yes
Yes
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
Plugin
No
Yes
BerkeleyDB
No
No
No
RCS
Plugin
No
No
Other
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
No
Security/Anti-Spam PmWiki Wiclear WikkaWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
Active Directory (patch)
Host Blocking
Optional
Yes
Yes
Mail Encryption
Optional
Yes
No
nofollow
Yes
Yes
Yes
Blacklist
Optional
Yes
Yes
CAPTCHA
Plugin
Yes
Plugin
Delayed Indexing
Optional
No
No
Development/Support PmWiki Wiclear WikkaWiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
42 ⭐
Common Features PmWiki Wiclear 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
Plugin
Yes
Plugin System
Yes
Yes
Yes
Special Features PmWiki Wiclear WikkaWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Optional
No
Yes
Interface Languages
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
7
German, English, French, Italian, Dutch, Russian, Slovenian
0
Email notification
Optional
Yes
Patch
Comments
Discussion Pages
Flat
Threaded
Categories
Yes
Yes
Yes
Namespaces
Yes
No
No
Conflict Handling
Conflict Resolution
Conflict Resolution
Page Locking
Concurrent Editing
Yes
Unknown
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Unknown
No
Structured Data
Yes
Unknown
Plugin
Links PmWiki Wiclear WikkaWiki
CamelCase
Optional
Yes
Yes
Freelinks
Yes
Yes
Patch
Backlinks
Yes
Yes
Yes
InterWiki
Yes
No
Yes
SisterWiki
Plugin
No
No
Image Links
Yes
Yes
Yes
Windows Shares
Yes
No
No
Page Redirects
Yes
Unknown
Patch
Syntax Features PmWiki Wiclear WikkaWiki
HTML Tags
Plugin
Optional
Some
Math formulas
Plugin
No
Plugin
Tables
simple + complex
simple
simple + complex
CREOLE support
Optional
No
No
Markdown Support
Plugin
No
No
Textile Support
No
No
No
BBCode Support
Plugin
No
No
Emoticon Images
Plugin
Yes
No
Syntax Highlighting
Optional
No
Yes
Footnotes
Plugin
Yes
Plugin
Quoting
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
No
Scripting
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Not at the moment
Extensibility through drop-in plugins
Content Includes
Yes
No
Yes
Feed Aggregation
Plugin
Yes
Yes
Usability PmWiki Wiclear WikkaWiki
Section Editing
Plugin
Yes
No
Page Templates
Yes
No
Yes
Double-Click Edit
Plugin
No
Yes
Toolbar
Optional
Plugin
Yes
WYSIWYG Editing
Plugin
No
Plugin
Access Keys
Yes
Yes
Patch
Auto Signature
Yes
No
Patch
Statistics PmWiki Wiclear WikkaWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Optional
No
Yes
Orphaned Pages
Optional
No
Yes
Most/Least Popular
No
No
Patch
Recent Visitors
Plugin
No
Patch
Analysis
Plugin
No
Yes
Output PmWiki Wiclear WikkaWiki
Printer Friendly
Print View
Print View
Print CSS
Mobile Friendly
Yes
Unknown
Unknown
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Optional
Yes
Yes
ATOM Feeds
Optional
Yes
Plugin
Abbreviations
Plugin
Yes
Patch
Auto-TOC
Optional
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Plugin
No
Yes
XML export
Plugin
No
Patch
PDF Export
Plugin
No
No
Office Export
Plugin
Unknown
No
Media and Files PmWiki Wiclear WikkaWiki
File Attachments
Optional
Yes
Yes
Media Revisions
Optional
No
No
Embedded Flash
Plugin
No
Yes
Embedded Video
Plugin
No
No
Image Editing
Plugin
No
No
SVG Editing
Plugin
No
No
MindMap Editing
Plugin
No
Yes
Media Search
Filenames only
No
No
Extras PmWiki Wiclear WikkaWiki
Calendar
Plugin
Unknown
Plugin
Image Galleries
Plugin
Unknown
Plugin
Presentations
Plugin
Unknown
No
Forums
Plugin
Unknown
No
Blogs
Plugin
Unknown
Plugin
Ticket System
Plugin
Unknown
No
Chat
No
Unknown
No
Syntax Examples PmWiki Wiclear WikkaWiki
Internal Link
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
[Title]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link
http://....
[[http://... | link text]]
[[link text -> http://...]]
[Title|http://url.to/]
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
Headlines
! Level 1
!!#anchor Level 2
!!! Level 3
!title1
!!title2
!!!title3
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
Bold Format
'''bold'''
__bold__
**bold**
Italics Format
''italic''
''italic''
//italic//
Underline Format
{+underlined+}
__underlined__
Monospace Format
@@monospace@@
the text must be preceded by 2 spaces
and it will be pre formatted
##monospaced##
Strikethrough Format
{-strikethrough-}
++Strike through text++
Superscript Format
'^superscript^'
""<sup>Superscript</sup>""
Subscript Format
'_subscript_'
""<sub>Subscript</sub>""
Images
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
((image|title|left|longer description|100|100))
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
Aligning Text
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation
-> indented text
--> more indentation
-< hanging text
--< more indentation
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
*item1
*item2
**item21
**item22
*item3
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
Numbered Lists
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
#item1
##item1.1
##item1.2
#item2
#item3
(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
: term : definition
;def1 : the complete definition of def1
;def2 : the complete definition of def2
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Horizontal Rule
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remove PmWiki remove Wiclear remove WikkaWiki