PmWiki vs. PhpWiki vs. TWiki vs. KeheiWiki

General Features PmWiki PhpWiki TWiki KeheiWiki
Version
2.5.6
phpwiki-1.3.14
TWiki-6.1.0
Pleiades-M45
Last Release Date
2026-02-08 (19 days ago)
2007-07-01 (18 years ago)
2018-07-16 (7 years ago)
2005-03-22 (20 years ago)
Last Update here
2026-02-08 (19 days ago)
2009-04-03 (16 years ago)
2019-07-19 (6 years ago)
2009-12-23 (16 years ago)
Author
Petko Yotov (Original author: Patrick R. Michaud)
Steve Wainstead, Jeff Dairiki, Reini Urban, Carsten Klapp, Marc-Etienne Vargenau
Peter Thoeny, TWiki community
team
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL2+
GPL
GPL
LGPL
Programming Language
PHP
PHP
Perl, JavaScript
Perl
Data Storage
Files
Database, Files, RCS
Files, RCS
Files, RCS
License Cost/ Fee
0
0
N/A
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
All
Any
Large enterprise; small to medium businesses
corporate and special interest groups
System Requirements PmWiki PhpWiki TWiki KeheiWiki
Operating System
Linux, UNIX, Windows, MacOS X, probably others
UNIX, Windows, MacOS X, probably others
Linux, Windows, OS-X and other
Unix/Linux
Root Access
No
No
No
No
Webserver
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Apache, IIS, anything with PHP support
Almost any webserver, typically Apache and Ngnix
Apache 1.3 or better CGI (any level)
Other Requirements
none
various opt. helpers
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
perl 4 or newer
Datastorage PmWiki PhpWiki TWiki KeheiWiki
Text Files
Yes
Yes
Yes
Yes
MySQL
Plugin
Yes
No
Plugin
PostgreSQL
No
Yes
No
Plugin
Oracle
No
Yes
No
Plugin
SQLite
Plugin
Yes
No
Plugin
BerkeleyDB
No
Yes
No
Plugin
RCS
Plugin
Yes
Yes
Plugin
Other
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
gdbm, cvs, MSSQL, ... (ADODB, PearDB)
RcsLite Perl library for version control without external RCS; backend API for other storage
archiving plugin, designed for unionFS
Security/Anti-Spam PmWiki PhpWiki TWiki KeheiWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
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.
db, session, pop, imap, ldap, file, webserver
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
Apache
Host Blocking
Optional
No
Plugin
Yes
Mail Encryption
Optional
No
Yes
No
nofollow
Yes
Yes
Plugin
No
Blacklist
Optional
Yes
Plugin
Plugin
CAPTCHA
Plugin
Yes
Plugin
Plugin
Delayed Indexing
Optional
No
Plugin
Plugin
Development/Support PmWiki PhpWiki TWiki KeheiWiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#phpwiki
Stars on GitHub
N/A
N/A
N/A
N/A
Common Features PmWiki PhpWiki TWiki KeheiWiki
Preview
Yes
Yes
Yes
Optional
Minor Changes
Yes
Yes
Yes
No
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
Optional
Plugin System
Yes
Yes
Yes
Yes
Special Features PmWiki PhpWiki TWiki KeheiWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Optional
No
No
Unknown
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
9
German, English, Spanish, French, Italian, Japanese, Dutch, Swedish, Chinese Traditional
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
1
English
Email notification
Optional
Yes
Yes
Yes
Comments
Discussion Pages
Plugin
Threaded
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
Yes
No
Yes
Yes
Conflict Handling
Conflict Resolution
Conflict Resolution
Conflict Resolution
Page Locking
Concurrent Editing
Yes
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
Optional
Yes
Structured Data
Yes
Patch
Yes
Yes
Links PmWiki PhpWiki TWiki KeheiWiki
CamelCase
Optional
Yes
Yes
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
No
InterWiki
Yes
Yes
Yes
Yes
SisterWiki
Plugin
No
Plugin
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Plugin
No
Page Redirects
Yes
Yes
Plugin
Yes
Syntax Features PmWiki PhpWiki TWiki KeheiWiki
HTML Tags
Plugin
Some
All
All
Math formulas
Plugin
Plugin
Plugin
No
Tables
simple + complex
simple + complex
simple + complex
complex
CREOLE support
Optional
No
No
Unknown
Markdown Support
Plugin
No
No
Unknown
Textile Support
No
No
Plugin
Optional
BBCode Support
Plugin
No
No
Optional
Emoticon Images
Plugin
No
Yes
No
Syntax Highlighting
Optional
Plugin
Plugin
Plugin
Footnotes
Plugin
Yes
Plugin
No
Quoting
Plugin
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Yes
No
Yes
Yes
Scripting
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
plugins, templates, PHP
TWiki Markup Language, TWiki variables, JavaScript, extensive API
Yes - custom tags, javascript, variables
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Plugin
Yes
Yes
Yes
Usability PmWiki PhpWiki TWiki KeheiWiki
Section Editing
Plugin
No
Plugin
Yes
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Plugin
Optional
Plugin
Optional
Toolbar
Optional
Yes
Plugin
Yes
WYSIWYG Editing
Plugin
Patch
Yes
Yes
Access Keys
Yes
Yes
Yes
No
Auto Signature
Yes
Yes
Yes
Yes
Statistics PmWiki PhpWiki TWiki KeheiWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Optional
Yes
No
Plugin
Orphaned Pages
Optional
Yes
Plugin
Plugin
Most/Least Popular
No
Yes
Yes
No
Recent Visitors
Plugin
Yes
Plugin
No
Analysis
Plugin
Plugin
Yes
Plugin
Output PmWiki PhpWiki TWiki KeheiWiki
Printer Friendly
Print View
Print CSS
Print View
Print View
Mobile Friendly
Yes
No
Plugin
Yes
Themes & Skins
Yes
Yes
Yes
Plugin
RSS Feeds
Optional
Yes
Yes
Plugin
ATOM Feeds
Optional
No
Yes
No
Abbreviations
Plugin
No
Plugin
Yes
Auto-TOC
Optional
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Plugin
Yes
Yes
Yes
XML export
Plugin
No
Plugin
No
PDF Export
Plugin
Yes
Plugin
No
Office Export
Plugin
Unknown
Unknown
Unknown
Media and Files PmWiki PhpWiki TWiki KeheiWiki
File Attachments
Optional
Yes
Yes
Plugin
Media Revisions
Optional
Yes
Yes
Plugin
Embedded Flash
Plugin
Yes
Plugin
Yes
Embedded Video
Plugin
Yes
Plugin
Yes
Image Editing
Plugin
No
Plugin
No
SVG Editing
Plugin
No
Plugin
No
MindMap Editing
Plugin
No
Plugin
No
Media Search
Filenames only
No
Contents
Keywords
Extras PmWiki PhpWiki TWiki KeheiWiki
Calendar
Plugin
Yes
Plugin
No
Image Galleries
Plugin
Yes
Plugin
No
Presentations
Plugin
Unknown
Unknown
Unknown
Forums
Plugin
Yes
Plugin
Yes
Blogs
Plugin
Yes
Plugin
Yes
Ticket System
Plugin
No
Plugin
No
Chat
No
Unknown
Unknown
Unknown
Syntax Examples PmWiki PhpWiki TWiki KeheiWiki
Internal Link
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
WikiWord or [somelink]
[ desc | pagename ]
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
%topic%  ( '%' configurable )
or
<link topic>text</link>
or
use HTML in rich text editor
External Link
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://someserver/someurl
[ desc | exturl ]
http://twiki.org/ autolink
[[http://twiki.org/][label]]
http://gmail.com/
or
<extern http://gmail.com>a mail server</extern>
or
use HTML in rich text editor
Headlines
! Level 1
!!#anchor Level 2
!!! Level 3
!!!Headline1
!!Headline2
!Headline3
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
text  ----    
or
insert HTML via WYSIWYG editor
Bold Format
'''bold'''
*bold* or
<strong>bold</strong>
*bold*
_ text _ 
or
insert HTML via WYSIWYG editor
Italics Format
''italic''
_italics_ or 
or
<em>italics</em>
_italic_
* text *
or
insert HTML via WYSIWYG editor
Underline Format
{+underlined+}
<u>underlined</u>
<u>underline</u>
insert HTML via WYSIWYG editor
Monospace Format
@@monospace@@
<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>


=monospaced text= and
<verbatim>
multi line text
</verbatim>
<wiki code>
stuff
</wiki code>
Strikethrough Format
{-strikethrough-}
<strike>striked through</strike>
<strike>strikethrough</strike>
insert HTML via WYSIWYG editor
Superscript Format
'^superscript^'
<sup>above</sup>
<sup>superscript</sup>
insert HTML via WYSIWYG editor
Subscript Format
'_subscript_'
<sub>below</sub>
<sub>subscript</sub>
insert HTML via WYSIWYG editor
Images
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
[ http://foo.org/1.jpg size=30%] 
external image
[Upload:view.jpg align=right size=50x40] 
view uploaded image
[Upload:view.jpg | http://server/external-linkjpg ] 
view and link to another image
%ATTACHURL%/image.png
http://any.domain/image.png
insert HTML via WYSIWYG editor
Aligning Text
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

| left |   center   |   right |
or HTML
or CSS
<p align=right> stuff
or
insert HTML via WYSIWYG editor
Text Indentation
-> indented text
--> more indentation
-< hanging text
--< more indentation
;: left indent
;;: more left indent

or 
paragraph
and another level 
<blockquote>
multi line text
</blockquote>
<ul>
stuff
</ul>
or
insert HTML via WYSIWYG editor
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
* list
or
- list
* Item 1
* Item 1.1
* Item 2
* text
or
<!> text
or
insert HTML via WYSIWYG editor
Numbered Lists
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
# list
1. Item 1
a. Item 1.a
1. Item 2
digits. stuff
or
insert HTML via WYSIWYG editor
Definition Lists
: term : definition
Term:<def>
def
$ Term: Definition
term:    definition
or
insert HTML via WYSIWYG editor
Horizontal Rule
----
----
---
can use plain < HR > tag or
via WYSIWYG editor
remove PmWiki remove PhpWiki remove TWiki remove KeheiWiki