DokuWiki vs. ErfurtWiki vs. MediaWiki vs. PmWiki vs. PukiWiki vs. WackoWiki vs. Wiclear vs. WikkaWiki

General Features DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Version
2020-07-29 "Hogfather"
R1.02b (kind of final release :-)
1.32.2
2.3.34
1.5.1
6.1.25
1.0
1.4.2
Last Release Date
2020-07-19 (3 years ago)
2005-06-15 (18 years ago)
2019-06-05 (5 years ago)
2024-05-26 (18 days ago)
2016-03-06 (8 years ago)
2024-04-11 (2 months ago)
2007-08-06 (16 years ago)
2020-04-19 (4 years ago)
Last Update here
2021-08-09 (2 years ago)
2010-04-04 (14 years ago)
2019-06-21 (4 years ago)
2024-05-27 (17 days ago)
2016-03-23 (8 years ago)
2024-04-11 (2 months ago)
2007-09-16 (16 years ago)
2020-04-20 (4 years ago)
Author
Andreas Gohr
Mario Salzer & Andi Fundinger
Magnus Manske, Brion Vibber, Lee Daniel Crocker, Tim Starling, Erik Möller, and others.
Petko Yotov (Original author: Patrick R. Michaud)
PukiWiki Development Team
WackoWiki Team
David Jobet
Wikka Development Team
URL
Free and Open Source
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
License
GPL 2
Public Domain (!)
GPL
GPL2+
GPL version 2 or (at your option) any later version
BSD
GPL2
GPL
Programming Language
PHP
PHP
PHP
PHP
PHP
PHP
PHP
PHP
Data Storage
Files
Database, Files, RCS
Database
Files
Files
Database
Database
Database
License Cost/ Fee
0
0
0
0
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Mature
Mature
Mature
Mature
Intended Audience
personal, small to medium companies
small + medium sites, development teams
End Users/Desktop, Education
All
One theme, one PukiWiki
Advanced End Users, Developers, End Users/Desktop
private users
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
System Requirements DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Operating System
Linux, UNIX, Windows, MacOS X, probably others
any
*nix, Windows, Mac OS X
Linux, UNIX, Windows, MacOS X, probably others
OS independent
OS Independent
All
any (platform-independent)
Root Access
No
No
No
No
No
No
No
No
Webserver
Apache, IIS, Nginx, Lighttpd, anything with PHP support
anything with PHP support
Any with PHP support
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Apache, IIS, anything with PHP support
run with the appserver/webserver of your choice
Apache
any server with PHP/MySQL support
Other Requirements
none
none
none
tar with "-p" option, or unzip for install. "mbstring" PHP extension for multi-bite support. backup feature wants 'zip' PHP extension.
mod_rewrite (optional)
MySql
mod_rewrite (optional)
Datastorage DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Text Files
Yes
Plugin
No
Yes
Yes
No
No
No
MySQL
No
Plugin
Yes
Plugin
No
Yes
Yes
Yes
PostgreSQL
No
Plugin
Yes
No
No
No
No
No
Oracle
No
No
Yes
No
No
No
No
No
SQLite
No
Plugin
Yes
Plugin
No
No
No
Yes
BerkeleyDB
No
Plugin
No
No
No
No
No
No
RCS
No
Plugin
No
Plugin
No
No
No
No
Other
None
no
No
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
zip-compressed text files for backup (with "zip" PHP extension)
MariaDB
No
Security/Anti-Spam DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Page Permissions
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
ACL
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Authentication Backends
Textfile, LDAP, MySQL, PostgreSQL, ActiveDirectory
UNIX, LDAP, MySQL, PHP, other
Yes
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
LDIF strings compatible with OpenLDAP, LDAP
LDAP (patch), ActiveDirectory
Active Directory (patch)
Host Blocking
Plugin
Plugin
Yes
Optional
Patch
Optional
Yes
Yes
Mail Encryption
Optional
Plugin
Plugin
Optional
No
Optional
Yes
No
nofollow
Optional
Plugin
Optional
Yes
Yes
Optional
Yes
Yes
Blacklist
Optional
Plugin
Yes
Optional
Patch
Yes
Yes
Yes
CAPTCHA
Plugin
Plugin
Plugin
Plugin
No
Yes
Yes
Plugin
Delayed Indexing
Optional
Patch
No
Optional
No
No
No
No
Development/Support DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
#pukiwiki
Stars on GitHub
3582 ⭐
N/A
N/A
N/A
N/A
32 ⭐
N/A
42 ⭐
Common Features DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Preview
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Minor Changes
Yes
Plugin
Yes
Yes
No
Yes
Yes
No
Change Summary
Yes
Plugin
Yes
Yes
No
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Restricted by Number
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
To current
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Yes
Yes
Yes
Plugin
Yes
Plugin System
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Special Features DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Unicode Support
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Patch
Yes
Optional
No
Yes
No
Yes
Interface Languages
68
Afrikaans, Arabic, Azerbaijani, Byelorussian, Bulgarian, Bengali; Bangla, Catalan, Czech, Welsh, Danish, German, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Faroese, French, Frisian, Galician, Hebrew, Hindi, Croatian, Hungarian, Interlingua, Indonesian, Icelandic, Italian, Japanese, Georgian, Kazakh, Cambodian, Kannada, Korean, Kurdish, Latin, Lithuanian, Latvian, Lettish, Malagasy, Macedonian, Malayalam, Marathi, Malay, Nepali, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Albanian, Serbian, Swedish, Tamil, Thai, Turkish, Ukrainian, Uzbek, Vietnamese, Chinese, Chinese Traditional
4
German, English, Spanish, Dutch
140
Afar, Abkhazian, Afrikaans, Amharic, Arabic, Assamese, Aymara, Azerbaijani, Bashkir, Byelorussian, Bulgarian, Bihari, Bislama, Bengali; Bangla, Tibetan, Breton, Catalan, Corsican, Czech, Welsh, Danish, German, Bhutani, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Fiji, Faroese, French, Frisian, Irish, Scots Gaelic, Galician, Guarani, Gujarati, Hausa, Hebrew, Hindi, Croatian, Hungarian, Armenian, Interlingua, Indonesian, Interlingue, Inupiak, Icelandic, Italian, Inuktitut, Japanese, Georgian, Kazakh, Greenlandic, Cambodian, Kannada, Korean, Kashmiri, Kurdish, Kirghiz, Latin, Lingala, Laothian, Lithuanian, Latvian, Lettish, Malagasy, Maori, Macedonian, Malayalam, Mongolian, Moldavian, Marathi, Malay, Maltese, Burmese, Nauru, Nepali, Dutch, Norwegian, Occitan, Oromo, Oriya, Punjabi, Polish, Pashto, Pushto, Portuguese, Brazilian Portuguese, Quechua, Rhaeto-Romance, Kirundi, Romanian, Russian, Kinyarwanda, Sanskrit, Sindhi, Sangho, Serbo-Croatian, Sinhalese, Slovak, Slovenian, Samoan, Shona, Somali, Albanian, Serbian, Siswati, Sesotho, Sundanese, Swedish, Swahili, Tamil, Telugu, Tajik, Thai, Tigrinya, Turkmen, Tagalog, Setswana, Tonga, Turkish, Tsonga, Tatar, Twi, Uighur, Ukrainian, Urdu, Uzbek, Vietnamese, Volapuk, Wolof, Xhosa, Yiddish, Yoruba, Zhuang, Chinese, Chinese Traditional, Zulu
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
5
German, English, Japanese, Korean, Twi
20
Bulgarian, Danish, German, Greek, English, Spanish, Estonian, Persian, French, Hindi, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Chinese, Chinese Traditional
7
German, English, French, Italian, Dutch, Russian, Slovenian
0
Email notification
Optional
Plugin
Optional
Optional
Yes
Yes
Yes
Patch
Comments
Plugin
Plugin
Discussion Pages
Discussion Pages
Plugin
Flat
Flat
Threaded
Categories
Plugin
Yes
Yes
Yes
No
Yes
Yes
Yes
Namespaces
Yes
No
Yes
Yes
No
Yes
No
No
Conflict Handling
Page Locking
Page Locking
Conflict Resolution
Conflict Resolution
Conflict Detection
Page Locking
Conflict Resolution
Page Locking
Concurrent Editing
No
Unknown
Unknown
Yes
Unknown
No
Unknown
Yes
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Plugin
Optional
Plugin
Yes
No
Patch
Unknown
No
Structured Data
Plugin
No
Plugin
Yes
No
Plugin
Unknown
Plugin
Links DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
CamelCase
Optional
Yes
No
Optional
Yes
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Patch
Backlinks
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
InterWiki
Yes
Plugin
Yes
Yes
Yes
Yes
No
Yes
SisterWiki
No
Plugin
No
Plugin
No
No
No
No
Image Links
Yes
Patch
Yes
Yes
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
No
Yes
Patch
Yes
No
No
Page Redirects
Plugin
Plugin
Yes
Yes
No
Yes
Unknown
Patch
Syntax Features DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
HTML Tags
Optional
Plugin
Some
Plugin
Plugin
All
Optional
Some
Math formulas
Plugin
No
Yes
Plugin
Plugin
Plugin
No
Plugin
Tables
simple
simple + complex
simple + complex
simple + complex
complex
simple
simple
simple + complex
CREOLE support
Plugin
Optional
No
Optional
No
No
No
No
Markdown Support
Plugin
No
No
Plugin
No
No
No
No
Textile Support
Plugin
No
No
No
No
No
No
No
BBCode Support
Plugin
Plugin
No
Plugin
No
Patch
No
No
Emoticon Images
Yes
Plugin
Optional
Plugin
Yes
Yes
Yes
No
Syntax Highlighting
Yes
Plugin
Plugin
Optional
Plugin
Yes
No
Yes
Footnotes
Yes
Plugin
Yes
Plugin
Yes
Yes
Yes
Plugin
Quoting
Yes
Plugin
No
Plugin
Optional
Yes
Yes
Yes
Internal Comments
Plugin
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Custom styles
Plugin
Yes
Yes
Yes
Yes
Yes
Yes
Yes
FAQ Tags
Plugin
Yes
No
Yes
No
No
No
No
Scripting
Optional, PHP
optional
Optional
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
plugins(PHP), skins(PHP), CSSes(PHP,CSS)
actions (PHP)
Not at the moment
Extensibility through drop-in plugins
Content Includes
Plugin
Plugin
Yes
Yes
Plugin
Yes
No
Yes
Feed Aggregation
Yes
Plugin
Plugin
Plugin
Plugin
Yes
Yes
Yes
Usability DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Section Editing
Yes
No
Yes
Plugin
Patch
Yes
Yes
No
Page Templates
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Double-Click Edit
Plugin
Patch
Optional
Plugin
No
Yes
No
Yes
Toolbar
Yes
No
Yes
Optional
Patch
Yes
Plugin
Yes
WYSIWYG Editing
Plugin
No
Plugin
Plugin
No
Plugin
No
Plugin
Access Keys
Yes
Optional
Yes
Yes
Yes
Yes
Yes
Patch
Auto Signature
Yes
No
Yes
Yes
No
Yes
No
Patch
Statistics DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Recent Changes
Yes
Plugin
Yes
Yes
Yes
Yes
Yes
Yes
Wanted Pages
Plugin
Plugin
Yes
Optional
Plugin
Yes
No
Yes
Orphaned Pages
Plugin
Plugin
Yes
Optional
No
Yes
No
Yes
Most/Least Popular
No
Plugin
Yes
No
Plugin
Yes
No
Patch
Recent Visitors
No
Optional
Plugin
Plugin
No
Yes
No
Patch
Analysis
Plugin
No
Optional
Plugin
No
Plugin
No
Yes
Output DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Printer Friendly
Print CSS
Print CSS
Print CSS
Print View
Print CSS
Print View
Print View
Print CSS
Mobile Friendly
Yes
Yes
No
Yes
Optional
Yes
Unknown
Unknown
Themes & Skins
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Plugin
Yes
Optional
Plugin
Yes
Yes
Yes
ATOM Feeds
Yes
Plugin
Yes
Optional
Plugin
No
Yes
Plugin
Abbreviations
Yes
Optional
No
Plugin
No
Patch
Yes
Patch
Auto-TOC
Yes
Plugin
Yes
Optional
Plugin
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
Plugin
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Plugin
No
Yes
No
Yes
XML export
No
Optional
Yes
Plugin
No
Yes
No
Patch
PDF Export
Plugin
Optional
Plugin
Plugin
No
Patch
No
No
Office Export
Plugin
Unknown
Unknown
Plugin
Unknown
Patch
Unknown
No
Media and Files DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
File Attachments
Yes
Plugin
Yes
Optional
Plugin
Yes
Yes
Yes
Media Revisions
Yes
No
Yes
Optional
No
No
No
No
Embedded Flash
Yes
Plugin
Plugin
Plugin
Plugin
Yes
No
Yes
Embedded Video
Yes
Plugin
Plugin
Plugin
Plugin
Yes
No
No
Image Editing
No
No
No
Plugin
Plugin
No
No
No
SVG Editing
Plugin
No
No
No
No
No
No
No
MindMap Editing
Plugin
No
Plugin
Plugin
No
Plugin
No
Yes
Media Search
Filenames only
No
Keywords
Filenames only
No
Contents
No
No
Extras DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Calendar
Plugin
Plugin
Plugin
Plugin
Plugin
Plugin
Unknown
Plugin
Image Galleries
Plugin
Plugin
Yes
Plugin
No
Plugin
Unknown
Plugin
Presentations
Plugin
Unknown
Unknown
Plugin
Unknown
Plugin
Unknown
No
Forums
No
No
Plugin
Plugin
Optional
Optional
Unknown
No
Blogs
Plugin
Yes
No
Plugin
Optional
Optional
Unknown
Plugin
Ticket System
Plugin
No
No
Plugin
Optional
No
Unknown
No
Chat
No
Unknown
Unknown
No
Unknown
Patch
Unknown
No
Syntax Examples DokuWiki ErfurtWiki MediaWiki PmWiki PukiWiki WackoWiki Wiclear WikkaWiki
Internal Link
[[a Link]]
[[namespace:link]]
[[link|With a Title]]
WikiPage
[WikiPage | Go here]
[[a link]]
[[a link|with title]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
PageNameAsWikiName
[[PageName]]
[[link text>PageName]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[Title]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link
[[http://example.com]]
[[http://example.com|With a Title]]
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
[http://example.org The title]
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://....
[[link text>http://....]]
[[interwiki:keyphrase]]
[[link text>interwiki:keyphrase]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
[Title|http://url.to/]
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
Headlines
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
!!! Big Headline
!! Medium Headline
! Section Headline
==Section==
===Subsection===
====Sub-subsection====
! Level 1
!! Level 2
!!! Level 3
* Level 1
** Level 2
*** Level 3
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
!title1
!!title2
!!!title3
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
Bold Format
**bold**
__bold text__
**bold text**
'''bold'''
'''bold'''
''bold''
**bold**
__bold__
**bold**
Italics Format
//italics//
''ialic text''
''italic''
''italic''
'''italic'''
//italics//
''italic''
//italic//
Underline Format
__underlined__
optional or via css
<u>underlined</u>
{+underlined+}
%%%underlined%%%
__underline__
__underlined__
Monospace Format
''monospace''
==monospaced text==
<tt>monospace</tt>
@@monospace@@
N/A
##monospace##
the text must be preceded by 2 spaces
and it will be pre formatted
##monospaced##
Strikethrough Format
<del>strikethrough</del>
optional or via css
<s>strikethrough</s>
{-strikethrough-}
%%strikethrough%%
--strikethrough--
++Strike through text++
Superscript Format
<sup>superscript</sup>
^^superscript text^^
<sup>superscript</sup>
'^superscript^'
N/A
^^superscript^^
""<sup>Superscript</sup>""
Subscript Format
<sub>subscript</sub>
optional or via css
<sub>subscript</sub>
'_subscript_'
N/A
vvsubscriptvv
""<sub>Subscript</sub>""
Images
{{local.jpg}}
{{http://foo.bar/baz.jpg}}
[link to the image.jpg]
[[Image:wiki.png]]
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
#ref(pagename/filename[,option])
&ref(pagename/filename[,option]);
&ref(http://foo.bar/foo.jpg[,option]);
http://foo.bar/foo.jpg
((image.png))
file:image.png
https://example.com/image.png
((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
Plugin
optional or via css
<center>Centered</center>
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
CENTER:center
RIGHT:right
LEFT:left
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation
N/A
just use 3 spaces or tabs
indented text
: indented line
-> indented text
--> more indentation
-< hanging text
--< more indentation
N/A
one
two
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists
* item 1
* item 1.1
* item 2
* Item A
* Item B
** Item B1
* Item 1
** Item 1.2
* Item 2
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
- Item 1
-- Item 1.1
- Item 2
*one
**One-two
*two
*three
*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
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

# Item 1
## Item 1.2
# Item 2
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
+ Item 1
++ Item 1.1
+ Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


#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
Plugin
:definition: explanation
:anotherdef: another description
; term : definition
: term : definition
:term|definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
;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 DokuWiki remove ErfurtWiki remove MediaWiki remove PmWiki remove PukiWiki remove WackoWiki remove Wiclear remove WikkaWiki