KeheiWiki vs. PmWiki vs. WackoWiki vs. TiddlyWiki

General Features KeheiWiki PmWiki WackoWiki TiddlyWiki
Version
Pleiades-M45
2.5.8
6.2.1
5.1.21
Last Release Date
2005-03-22 (20 years ago)
2026-03-09 (6 days ago)
2026-03-03 (12 days ago)
2019-07-25 (6 years ago)
Last Update here
2009-12-23 (16 years ago)
2026-03-09 (6 days ago)
2026-03-03 (12 days ago)
2019-11-20 (6 years ago)
Author
team
Petko Yotov (Original author: Patrick R. Michaud)
WackoWiki Team
Jeremy Ruston, TiddlyWiki community
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
LGPL
GPL2+
BSD
BSD
Programming Language
Perl
PHP
PHP
HTML, JavaScript
Data Storage
Files, RCS
Files
Database
Files
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
corporate and special interest groups
All
Advanced End Users, Developers, End Users/Desktop
Individuals, private, small groups
System Requirements KeheiWiki PmWiki WackoWiki TiddlyWiki
Operating System
Unix/Linux
Linux, UNIX, Windows, MacOS X, probably others
OS Independent
Any
Root Access
No
No
No
No
Webserver
Apache 1.3 or better CGI (any level)
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
run with the appserver/webserver of your choice
Not required (optional backends available)
Other Requirements
perl 4 or newer
none
mod_rewrite (optional)
A common browser
Datastorage KeheiWiki PmWiki WackoWiki TiddlyWiki
Text Files
Yes
Yes
No
Optional
MySQL
Plugin
Plugin
Yes
No
PostgreSQL
Plugin
No
No
No
Oracle
Plugin
No
No
No
SQLite
Plugin
Plugin
Yes
No
BerkeleyDB
Plugin
No
No
No
RCS
Plugin
Plugin
No
No
Other
archiving plugin, designed for unionFS
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
MariaDB
Data self contained in html file OR as individual data files
Security/Anti-Spam KeheiWiki PmWiki WackoWiki TiddlyWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
No
Authentication Backends
Apache
Internal: per page, per group, per user, per user group. External: .htpasswd, LDAP, Active Directory. Plugins: Mailman, forums w/MySQL, oAuth, custom possible.
LDAP (patch), ActiveDirectory
optional extensions available
Host Blocking
Yes
Optional
Optional
No
Mail Encryption
No
Optional
Optional
No
nofollow
No
Yes
Optional
Unknown
Blacklist
Plugin
Optional
Yes
No
CAPTCHA
Plugin
Plugin
Yes
No
Delayed Indexing
Plugin
Optional
No
Unknown
Development/Support KeheiWiki PmWiki WackoWiki TiddlyWiki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
56 ⭐
8562 ⭐
Common Features KeheiWiki PmWiki WackoWiki TiddlyWiki
Preview
Optional
Yes
Yes
Yes
Minor Changes
No
Yes
Yes
Yes
Change Summary
Yes
Yes
Yes
Unknown
Page History
Yes
Yes
Yes
Plugin
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Optional
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
Yes
Special Features KeheiWiki PmWiki WackoWiki TiddlyWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Unknown
Optional
Yes
Yes
Interface Languages
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
30
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Ukrainian, Chinese, Chinese Traditional
4
German, English, French, Japanese
Email notification
Yes
Optional
Yes
Unknown
Comments
Threaded
Discussion Pages
Flat
Plugin
Categories
Yes
Yes
Yes
Yes
Namespaces
Yes
Yes
Yes
Plugin
Conflict Handling
Page Locking
Conflict Resolution
Page Locking
None
Concurrent Editing
Unknown
Yes
No
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
Patch
Yes
Structured Data
Yes
Yes
Plugin
Yes
Links KeheiWiki PmWiki WackoWiki TiddlyWiki
CamelCase
Yes
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
No
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
Plugin
SisterWiki
No
Plugin
No
No
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Yes
Yes
Yes
Page Redirects
Yes
Yes
Yes
Plugin
Syntax Features KeheiWiki PmWiki WackoWiki TiddlyWiki
HTML Tags
All
Plugin
All
Optional
Math formulas
No
Plugin
Plugin
Yes
Tables
complex
simple + complex
simple + complex
complex
CREOLE support
Unknown
Optional
No
Plugin
Markdown Support
Unknown
Plugin
No
Yes
Textile Support
Optional
No
No
No
BBCode Support
Optional
Plugin
Patch
No
Emoticon Images
No
Plugin
Yes
Plugin
Syntax Highlighting
Plugin
Optional
Yes
Plugin
Footnotes
No
Plugin
Yes
Plugin
Quoting
Yes
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Yes
Yes
No
Plugin
Scripting
Yes - custom tags, javascript, variables
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
actions (PHP)
JavaScript
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Yes
Plugin
Yes
Plugin
Usability KeheiWiki PmWiki WackoWiki TiddlyWiki
Section Editing
Yes
Plugin
Yes
Yes
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Optional
Plugin
Yes
Plugin
Toolbar
Yes
Optional
Yes
Yes
WYSIWYG Editing
Yes
Plugin
Plugin
Plugin
Access Keys
No
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Plugin
Statistics KeheiWiki PmWiki WackoWiki TiddlyWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Plugin
Optional
Yes
Yes
Orphaned Pages
Plugin
Optional
Yes
Yes
Most/Least Popular
No
No
Yes
Plugin
Recent Visitors
No
Plugin
Yes
No
Analysis
Plugin
Plugin
Plugin
Plugin
Output KeheiWiki PmWiki WackoWiki TiddlyWiki
Printer Friendly
Print View
Print View
Print View
Print CSS
Mobile Friendly
Yes
Yes
Yes
Yes
Themes & Skins
Plugin
Yes
Yes
Yes
RSS Feeds
Plugin
Optional
Yes
Plugin
ATOM Feeds
No
Optional
No
Plugin
Abbreviations
Yes
Plugin
Patch
Unknown
Auto-TOC
Yes
Optional
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Plugin
Yes
Yes
XML export
No
Plugin
Yes
Unknown
PDF Export
No
Plugin
Patch
Plugin
Office Export
Unknown
Plugin
Patch
Unknown
Media and Files KeheiWiki PmWiki WackoWiki TiddlyWiki
File Attachments
Plugin
Optional
Yes
Plugin
Media Revisions
Plugin
Optional
No
No
Embedded Flash
Yes
Plugin
Yes
Plugin
Embedded Video
Yes
Plugin
Yes
Yes
Image Editing
No
Plugin
No
Yes
SVG Editing
No
Plugin
No
No
MindMap Editing
No
Plugin
Plugin
Plugin
Media Search
Keywords
Filenames only
Contents
No
Extras KeheiWiki PmWiki WackoWiki TiddlyWiki
Calendar
No
Plugin
Plugin
Plugin
Image Galleries
No
Plugin
Plugin
Plugin
Presentations
Unknown
Plugin
Plugin
Plugin
Forums
Yes
Plugin
Optional
Plugin
Blogs
Yes
Plugin
Optional
Yes
Ticket System
No
Plugin
No
Plugin
Chat
Unknown
No
Patch
Unknown
Syntax Examples KeheiWiki PmWiki WackoWiki TiddlyWiki
Internal Link
%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]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiWord (CamelCase)
[[link]]
[[label|link]]
External Link
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://...]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://www.example.com
[[label|http://www.example.com]]
Headlines
text  ----    
or
insert HTML via WYSIWYG editor
! Level 1
!!#anchor Level 2
!!! Level 3
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
Bold Format
_ text _ 
or
insert HTML via WYSIWYG editor
'''bold'''
**bold**
''bold''
Italics Format
* text *
or
insert HTML via WYSIWYG editor
''italic''
//italics//
//italic//
Underline Format
insert HTML via WYSIWYG editor
{+underlined+}
__underline__
__underline__
Monospace Format
<wiki code>
stuff
</wiki code>
@@monospace@@
##monospace##
{{{monospaced}}}
Strikethrough Format
insert HTML via WYSIWYG editor
{-strikethrough-}
--strikethrough--
--strikethrough--
Superscript Format
insert HTML via WYSIWYG editor
'^superscript^'
^^superscript^^
^^superscript^^
Subscript Format
insert HTML via WYSIWYG editor
'_subscript_'
,,subscript,,
~~subscript~~
Images
insert HTML via WYSIWYG editor
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
((image.png))
file:image.png
https://example.com/image.png
[img[local.jpg]]
[img[http://foo.bar/foo.jpg]]
Aligning Text
<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
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
using custom classes, e.g.
{{right{
text
}}}
Text Indentation
<ul>
stuff
</ul>
or
insert HTML via WYSIWYG editor
-> indented text
--> more indentation
-< hanging text
--< more indentation
one
two
:indent

> quote

<<<
blockquote
<<<
Bulleted Lists
* 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
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
Numbered Lists
digits. stuff
or
insert HTML via WYSIWYG editor
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


# Item 1
## Item 1.1
# Item 2
Definition Lists
term:    definition
or
insert HTML via WYSIWYG editor
: term : definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
; term
: description
Horizontal Rule
can use plain < HR > tag or
via WYSIWYG editor
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remove KeheiWiki remove PmWiki remove WackoWiki remove TiddlyWiki