WackoWiki vs. TiddlyWiki vs. XoWiki vs. PmWiki

General Features WackoWiki TiddlyWiki XoWiki PmWiki
Version
6.2.0
5.1.21
0.113
2.5.5
Last Release Date
2025-12-14 (1 month ago)
2019-07-25 (6 years ago)
2009-02-17 (16 years ago)
2026-01-10 (16 days ago)
Last Update here
2025-12-13 (1 month ago)
2019-11-20 (6 years ago)
2009-03-13 (16 years ago)
2026-01-10 (16 days ago)
Author
WackoWiki Team
Jeremy Ruston, TiddlyWiki community
Prof. Gustaf Neumann
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
BSD
BSD
GPL2+
Programming Language
PHP
HTML, JavaScript
XOTcl and Tcl
PHP
Data Storage
Database
Files
Database
Files
License Cost/ Fee
0
0
Free
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
Individuals, private, small groups
large and small organizations as well as individuals
All
System Requirements WackoWiki TiddlyWiki XoWiki PmWiki
Operating System
OS Independent
Any
Unix, Linux, Mac OS X, Windows
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
Yes
No
Webserver
run with the appserver/webserver of your choice
Not required (optional backends available)
AOLServer
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
mod_rewrite (optional)
A common browser
none
Datastorage WackoWiki TiddlyWiki XoWiki PmWiki
Text Files
No
Optional
No
Yes
MySQL
Yes
No
No
Plugin
PostgreSQL
No
No
Yes
No
Oracle
No
No
Yes
No
SQLite
Yes
No
No
Plugin
BerkeleyDB
No
No
No
No
RCS
No
No
No
Plugin
Other
MariaDB
Data self contained in html file OR as individual data files
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam WackoWiki TiddlyWiki XoWiki PmWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
No
Yes
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
optional extensions available
PAM, LDAP, Active Directory (LDAP)
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
Optional
No
Patch
Optional
Mail Encryption
Optional
No
Unknown
Optional
nofollow
Optional
Unknown
Unknown
Yes
Blacklist
Yes
No
Unknown
Optional
CAPTCHA
Yes
No
Unknown
Plugin
Delayed Indexing
No
Unknown
Unknown
Optional
Development/Support WackoWiki TiddlyWiki XoWiki PmWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
54 ⭐
8524 ⭐
N/A
N/A
Common Features WackoWiki TiddlyWiki XoWiki PmWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
Unknown
Yes
Change Summary
Yes
Unknown
Yes
Yes
Page History
Yes
Plugin
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
Yes
Special Features WackoWiki TiddlyWiki XoWiki PmWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Unknown
Optional
Interface Languages
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
3
German, English, Spanish
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
Unknown
Yes
Optional
Comments
Flat
Plugin
Threaded
Discussion Pages
Categories
Yes
Yes
Yes
Yes
Namespaces
Yes
Plugin
Yes
Yes
Conflict Handling
Page Locking
None
Conflict Resolution
Concurrent Editing
No
Unknown
Unknown
Yes
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Patch
Yes
Yes
Yes
Structured Data
Plugin
Yes
Yes
Yes
Links WackoWiki TiddlyWiki XoWiki PmWiki
CamelCase
Optional
Yes
No
Optional
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Plugin
No
Yes
SisterWiki
No
No
No
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Unknown
Yes
Page Redirects
Yes
Plugin
Unknown
Yes
Syntax Features WackoWiki TiddlyWiki XoWiki PmWiki
HTML Tags
All
Optional
Some
Plugin
Math formulas
Plugin
Yes
Unknown
Plugin
Tables
simple
complex
complex
simple + complex
CREOLE support
No
Plugin
Unknown
Optional
Markdown Support
No
Yes
No
Plugin
Textile Support
No
No
No
No
BBCode Support
Patch
No
No
Plugin
Emoticon Images
Yes
Plugin
Optional
Plugin
Syntax Highlighting
Yes
Plugin
Unknown
Optional
Footnotes
Yes
Plugin
Unknown
Plugin
Quoting
Yes
Yes
Unknown
Plugin
Internal Comments
Yes
Yes
Unknown
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Plugin
Plugin
Yes
Scripting
actions (PHP)
JavaScript
Yes
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Yes
Plugin
Yes
Plugin
Usability WackoWiki TiddlyWiki XoWiki PmWiki
Section Editing
Yes
Yes
Optional
Plugin
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Yes
Plugin
Optional
Plugin
Toolbar
Yes
Yes
Yes
Optional
WYSIWYG Editing
Plugin
Plugin
Yes
Plugin
Access Keys
Yes
Yes
Yes
Yes
Auto Signature
Yes
Plugin
Unknown
Yes
Statistics WackoWiki TiddlyWiki XoWiki PmWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Unknown
Optional
Orphaned Pages
Yes
Yes
Unknown
Optional
Most/Least Popular
Yes
Plugin
Yes
No
Recent Visitors
Yes
No
Yes
Plugin
Analysis
Plugin
Plugin
Yes
Plugin
Output WackoWiki TiddlyWiki XoWiki PmWiki
Printer Friendly
Print View
Print CSS
Print View
Mobile Friendly
Yes
Yes
Unknown
Yes
Themes & Skins
Yes
Yes
Unknown
Yes
RSS Feeds
Yes
Plugin
Yes
Optional
ATOM Feeds
No
Plugin
Unknown
Optional
Abbreviations
Patch
Unknown
Yes
Plugin
Auto-TOC
Yes
Yes
Optional
Optional
Raw Export
Yes
Yes
Unknown
Yes
HTML Export
Yes
Yes
Unknown
Plugin
XML export
Yes
Unknown
Unknown
Plugin
PDF Export
Patch
Plugin
Unknown
Plugin
Office Export
Patch
Unknown
Unknown
Plugin
Media and Files WackoWiki TiddlyWiki XoWiki PmWiki
File Attachments
Yes
Plugin
Yes
Optional
Media Revisions
No
No
Yes
Optional
Embedded Flash
Yes
Plugin
Yes
Plugin
Embedded Video
Yes
Yes
Yes
Plugin
Image Editing
No
Yes
Unknown
Plugin
SVG Editing
No
No
Unknown
Plugin
MindMap Editing
Plugin
Plugin
Unknown
Plugin
Media Search
Contents
No
Contents
Filenames only
Extras WackoWiki TiddlyWiki XoWiki PmWiki
Calendar
Plugin
Plugin
Unknown
Plugin
Image Galleries
Plugin
Plugin
Unknown
Plugin
Presentations
Plugin
Plugin
Unknown
Plugin
Forums
Optional
Plugin
Unknown
Plugin
Blogs
Optional
Yes
Unknown
Plugin
Ticket System
No
Plugin
Unknown
Plugin
Chat
Patch
Unknown
Unknown
No
Syntax Examples WackoWiki TiddlyWiki XoWiki PmWiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiWord (CamelCase)
[[link]]
[[label|link]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://www.example.com
[[label|http://www.example.com]]
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
! Level 1
!!#anchor Level 2
!!! Level 3
Bold Format
**bold**
''bold''
'''bold'''
Italics Format
//italics//
//italic//
''italic''
Underline Format
__underline__
__underline__
{+underlined+}
Monospace Format
##monospace##
{{{monospaced}}}
@@monospace@@
Strikethrough Format
--strikethrough--
--strikethrough--
{-strikethrough-}
Superscript Format
^^superscript^^
^^superscript^^
'^superscript^'
Subscript Format
vvsubscriptvv
~~subscript~~
'_subscript_'
Images
((image.png))
file:image.png
https://example.com/image.png
[img[local.jpg]]
[img[http://foo.bar/foo.jpg]]
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
using custom classes, e.g.
{{right{
text
}}}
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
one
two
:indent

> quote

<<<
blockquote
<<<
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


# Item 1
## Item 1.1
# Item 2
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
; term
: description
: term : definition
Horizontal Rule
----
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remove WackoWiki remove TiddlyWiki remove XoWiki remove PmWiki