TWiki vs. KeheiWiki vs. PmWiki

General Features TWiki KeheiWiki PmWiki
Version
TWiki-6.1.0
Pleiades-M45
2.6.0
Last Release Date
2018-07-16 (7 years ago)
2005-03-22 (21 years ago)
2026-05-16 (1 month ago)
Last Update here
2019-07-19 (6 years ago)
2009-12-23 (16 years ago)
2026-05-16 (1 month ago)
Author
Peter Thoeny, TWiki community
team
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
License
GPL
LGPL
GPL2+
Programming Language
Perl, JavaScript
Perl
PHP
Data Storage
Files, RCS
Files, RCS
Files
License Cost/ Fee
N/A
0
0
Development status
Mature
Mature
Mature
Intended Audience
Large enterprise; small to medium businesses
corporate and special interest groups
All
System Requirements TWiki KeheiWiki PmWiki
Operating System
Linux, Windows, OS-X and other
Unix/Linux
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
Webserver
Almost any webserver, typically Apache and Ngnix
Apache 1.3 or better CGI (any level)
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
perl 4 or newer
none
Datastorage TWiki KeheiWiki PmWiki
Text Files
Yes
Yes
Yes
MySQL
No
Plugin
Plugin
PostgreSQL
No
Plugin
No
Oracle
No
Plugin
No
SQLite
No
Plugin
Plugin
BerkeleyDB
No
Plugin
No
RCS
Yes
Plugin
Plugin
Other
RcsLite Perl library for version control without external RCS; backend API for other storage
archiving plugin, designed for unionFS
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam TWiki KeheiWiki PmWiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
Apache
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
Plugin
Yes
Optional
Mail Encryption
Yes
No
Optional
nofollow
Plugin
No
Yes
Blacklist
Plugin
Plugin
Optional
CAPTCHA
Plugin
Plugin
Plugin
Delayed Indexing
Plugin
Plugin
Optional
Development/Support TWiki KeheiWiki PmWiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
Common Features TWiki KeheiWiki PmWiki
Preview
Yes
Optional
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
Optional
Yes
Plugin System
Yes
Yes
Yes
Special Features TWiki KeheiWiki PmWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
No
Unknown
Optional
Interface Languages
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
1
English
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
Yes
Optional
Comments
Threaded
Threaded
Discussion Pages
Categories
Yes
Yes
Yes
Namespaces
Yes
Yes
Yes
Conflict Handling
Conflict Resolution
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Optional
Yes
Yes
Structured Data
Yes
Yes
Yes
Links TWiki KeheiWiki PmWiki
CamelCase
Yes
Yes
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
No
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
Plugin
No
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Plugin
No
Yes
Page Redirects
Plugin
Yes
Yes
Syntax Features TWiki KeheiWiki PmWiki
HTML Tags
All
All
Plugin
Math formulas
Plugin
No
Plugin
Tables
simple + complex
complex
simple + complex
CREOLE support
No
Unknown
Optional
Markdown Support
No
Unknown
Plugin
Textile Support
Plugin
Optional
No
BBCode Support
No
Optional
Plugin
Emoticon Images
Yes
No
Plugin
Syntax Highlighting
Plugin
Plugin
Optional
Footnotes
Plugin
No
Plugin
Quoting
Yes
Yes
Plugin
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
Yes
Yes
Scripting
TWiki Markup Language, TWiki variables, JavaScript, extensive API
Yes - custom tags, javascript, variables
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Yes
Yes
Feed Aggregation
Yes
Yes
Plugin
Usability TWiki KeheiWiki PmWiki
Section Editing
Plugin
Yes
Plugin
Page Templates
Yes
Yes
Yes
Double-Click Edit
Plugin
Optional
Plugin
Toolbar
Plugin
Yes
Optional
WYSIWYG Editing
Yes
Yes
Plugin
Access Keys
Yes
No
Yes
Auto Signature
Yes
Yes
Yes
Statistics TWiki KeheiWiki PmWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
No
Plugin
Optional
Orphaned Pages
Plugin
Plugin
Optional
Most/Least Popular
Yes
No
No
Recent Visitors
Plugin
No
Plugin
Analysis
Yes
Plugin
Plugin
Output TWiki KeheiWiki PmWiki
Printer Friendly
Print View
Print View
Print View
Mobile Friendly
Plugin
Yes
Yes
Themes & Skins
Yes
Plugin
Yes
RSS Feeds
Yes
Plugin
Optional
ATOM Feeds
Yes
No
Optional
Abbreviations
Plugin
Yes
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
XML export
Plugin
No
Plugin
PDF Export
Plugin
No
Plugin
Office Export
Unknown
Unknown
Plugin
Media and Files TWiki KeheiWiki PmWiki
File Attachments
Yes
Plugin
Optional
Media Revisions
Yes
Plugin
Optional
Embedded Flash
Plugin
Yes
Plugin
Embedded Video
Plugin
Yes
Plugin
Image Editing
Plugin
No
Plugin
SVG Editing
Plugin
No
Plugin
MindMap Editing
Plugin
No
Plugin
Media Search
Contents
Keywords
Filenames only
Extras TWiki KeheiWiki PmWiki
Calendar
Plugin
No
Plugin
Image Galleries
Plugin
No
Plugin
Presentations
Unknown
Unknown
Plugin
Forums
Plugin
Yes
Plugin
Blogs
Plugin
Yes
Plugin
Ticket System
Plugin
No
Plugin
Chat
Unknown
Unknown
No
Syntax Examples TWiki KeheiWiki PmWiki
Internal Link
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
%topic%  ( '%' configurable )
or
<link topic>text</link>
or
use HTML in rich text editor
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
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
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
text  ----    
or
insert HTML via WYSIWYG editor
! Level 1
!!#anchor Level 2
!!! Level 3
Bold Format
*bold*
_ text _ 
or
insert HTML via WYSIWYG editor
'''bold'''
Italics Format
_italic_
* text *
or
insert HTML via WYSIWYG editor
''italic''
Underline Format
<u>underline</u>
insert HTML via WYSIWYG editor
{+underlined+}
Monospace Format
=monospaced text= and
<verbatim>
multi line text
</verbatim>
<wiki code>
stuff
</wiki code>
@@monospace@@
Strikethrough Format
<strike>strikethrough</strike>
insert HTML via WYSIWYG editor
{-strikethrough-}
Superscript Format
<sup>superscript</sup>
insert HTML via WYSIWYG editor
'^superscript^'
Subscript Format
<sub>subscript</sub>
insert HTML via WYSIWYG editor
'_subscript_'
Images
%ATTACHURL%/image.png
http://any.domain/image.png
insert HTML via WYSIWYG editor
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
| left |   center   |   right |
or HTML
or CSS
<p align=right> stuff
or
insert HTML via WYSIWYG editor
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
<blockquote>
multi line text
</blockquote>
<ul>
stuff
</ul>
or
insert HTML via WYSIWYG editor
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
* Item 1
* Item 1.1
* Item 2
* text
or
<!> text
or
insert HTML via WYSIWYG editor
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
1. Item 1
a. Item 1.a
1. Item 2
digits. stuff
or
insert HTML via WYSIWYG editor
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
$ Term: Definition
term:    definition
or
insert HTML via WYSIWYG editor
: term : definition
Horizontal Rule
---
can use plain < HR > tag or
via WYSIWYG editor
----
remove TWiki remove KeheiWiki remove PmWiki