PmWiki vs. WikkaWiki vs. Wiclear

General Features PmWiki WikkaWiki Wiclear
Version
2.6.0
1.4.2
1.0
Last Release Date
2026-05-16 (25 days ago)
2020-04-20 (6 years ago)
2007-08-07 (18 years ago)
Last Update here
2026-05-16 (25 days ago)
2020-04-20 (6 years ago)
2007-09-16 (18 years ago)
Author
Petko Yotov (Original author: Patrick R. Michaud)
Wikka Development Team
David Jobet
URL
Free and Open Source
Yes
Yes
Yes
License
GPL2+
GPL
GPL2
Programming Language
PHP
PHP
PHP
Data Storage
Files
Database
Database
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
All
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
private users
System Requirements PmWiki WikkaWiki Wiclear
Operating System
Linux, UNIX, Windows, MacOS X, probably others
any (platform-independent)
All
Root Access
No
No
No
Webserver
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
any server with PHP/MySQL support
Apache
Other Requirements
none
mod_rewrite (optional)
MySql
Datastorage PmWiki WikkaWiki Wiclear
Text Files
Yes
No
No
MySQL
Plugin
Yes
Yes
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
Plugin
Yes
No
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 WikkaWiki Wiclear
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
No
Yes
nofollow
Yes
Yes
Yes
Blacklist
Optional
Yes
Yes
CAPTCHA
Plugin
Plugin
Yes
Delayed Indexing
Optional
No
No
Development/Support PmWiki WikkaWiki Wiclear
# of Consultants
Preconfigured Hosting
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
42 ⭐
N/A
Common Features PmWiki WikkaWiki Wiclear
Preview
Yes
Yes
Yes
Minor Changes
Yes
No
Yes
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
Yes
Plugin
Plugin System
Yes
Yes
Yes
Special Features PmWiki WikkaWiki Wiclear
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Optional
Yes
No
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
0
7
German, English, French, Italian, Dutch, Russian, Slovenian
Email notification
Optional
Patch
Yes
Comments
Discussion Pages
Threaded
Flat
Categories
Yes
Yes
Yes
Namespaces
Yes
No
No
Conflict Handling
Conflict Resolution
Page Locking
Conflict Resolution
Concurrent Editing
Yes
Yes
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
No
Unknown
Structured Data
Yes
Plugin
Unknown
Links PmWiki WikkaWiki Wiclear
CamelCase
Optional
Yes
Yes
Freelinks
Yes
Patch
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
No
SisterWiki
Plugin
No
No
Image Links
Yes
Yes
Yes
Windows Shares
Yes
No
No
Page Redirects
Yes
Patch
Unknown
Syntax Features PmWiki WikkaWiki Wiclear
HTML Tags
Plugin
Some
Optional
Math formulas
Plugin
Plugin
No
Tables
simple + complex
simple + complex
simple
CREOLE support
Optional
No
No
Markdown Support
Plugin
No
No
Textile Support
No
No
No
BBCode Support
Plugin
No
No
Emoticon Images
Plugin
No
Yes
Syntax Highlighting
Optional
Yes
No
Footnotes
Plugin
Plugin
Yes
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)
Extensibility through drop-in plugins
Not at the moment
Content Includes
Yes
Yes
No
Feed Aggregation
Plugin
Yes
Yes
Usability PmWiki WikkaWiki Wiclear
Section Editing
Plugin
No
Yes
Page Templates
Yes
Yes
No
Double-Click Edit
Plugin
Yes
No
Toolbar
Optional
Yes
Plugin
WYSIWYG Editing
Plugin
Plugin
No
Access Keys
Yes
Patch
Yes
Auto Signature
Yes
Patch
No
Statistics PmWiki WikkaWiki Wiclear
Recent Changes
Yes
Yes
Yes
Wanted Pages
Optional
Yes
No
Orphaned Pages
Optional
Yes
No
Most/Least Popular
No
Patch
No
Recent Visitors
Plugin
Patch
No
Analysis
Plugin
Yes
No
Output PmWiki WikkaWiki Wiclear
Printer Friendly
Print View
Print CSS
Print View
Mobile Friendly
Yes
Unknown
Unknown
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Optional
Yes
Yes
ATOM Feeds
Optional
Plugin
Yes
Abbreviations
Plugin
Patch
Yes
Auto-TOC
Optional
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Plugin
Yes
No
XML export
Plugin
Patch
No
PDF Export
Plugin
No
No
Office Export
Plugin
No
Unknown
Media and Files PmWiki WikkaWiki Wiclear
File Attachments
Optional
Yes
Yes
Media Revisions
Optional
No
No
Embedded Flash
Plugin
Yes
No
Embedded Video
Plugin
No
No
Image Editing
Plugin
No
No
SVG Editing
Plugin
No
No
MindMap Editing
Plugin
Yes
No
Media Search
Filenames only
No
No
Extras PmWiki WikkaWiki Wiclear
Calendar
Plugin
Plugin
Unknown
Image Galleries
Plugin
Plugin
Unknown
Presentations
Plugin
No
Unknown
Forums
Plugin
No
Unknown
Blogs
Plugin
Plugin
Unknown
Ticket System
Plugin
No
Unknown
Chat
No
No
Unknown
Syntax Examples PmWiki WikkaWiki Wiclear
Internal Link
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
[Title]
External Link
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
[Title|http://url.to/]
Headlines
! Level 1
!!#anchor Level 2
!!! Level 3
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
!title1
!!title2
!!!title3
Bold Format
'''bold'''
**bold**
__bold__
Italics Format
''italic''
//italic//
''italic''
Underline Format
{+underlined+}
__underlined__
Monospace Format
@@monospace@@
##monospaced##
the text must be preceded by 2 spaces
and it will be pre formatted
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
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
((image|title|left|longer description|100|100))
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
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
*item1
*item2
**item21
**item22
*item3
Numbered Lists
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
(4 spaces or a ~ can replace a tab)

~1) Item 1
~~1) Item 1.1
~1) Item 2

(more options for lists are available)
#item1
##item1.1
##item1.2
#item2
#item3
Definition Lists
: term : definition
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
;def1 : the complete definition of def1
;def2 : the complete definition of def2
Horizontal Rule
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remove PmWiki remove WikkaWiki remove Wiclear