TiddlyWiki vs. WackoWiki vs. PmWiki

General Features TiddlyWiki WackoWiki PmWiki
Version
5.1.21
6.1.29
2.5.3
Last Release Date
2019-07-25 (6 years ago)
2025-09-03 (3 months ago)
2025-11-08 (27 days ago)
Last Update here
2019-11-20 (6 years ago)
2025-10-13 (1 month ago)
2025-11-08 (27 days ago)
Author
Jeremy Ruston, TiddlyWiki community
WackoWiki Team
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
License
BSD
BSD
GPL2+
Programming Language
HTML, JavaScript
PHP
PHP
Data Storage
Files
Database
Files
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
Individuals, private, small groups
Advanced End Users, Developers, End Users/Desktop
All
System Requirements TiddlyWiki WackoWiki PmWiki
Operating System
Any
OS Independent
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
Webserver
Not required (optional backends available)
run with the appserver/webserver of your choice
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
A common browser
mod_rewrite (optional)
none
Datastorage TiddlyWiki WackoWiki PmWiki
Text Files
Optional
No
Yes
MySQL
No
Yes
Plugin
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
No
Yes
Plugin
BerkeleyDB
No
No
No
RCS
No
No
Plugin
Other
Data self contained in html file OR as individual data files
MariaDB
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam TiddlyWiki WackoWiki PmWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
optional extensions available
LDAP (patch), ActiveDirectory
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
No
Optional
Optional
Mail Encryption
No
Optional
Optional
nofollow
Unknown
Optional
Yes
Blacklist
No
Yes
Optional
CAPTCHA
No
Yes
Plugin
Delayed Indexing
Unknown
No
Optional
Development/Support TiddlyWiki WackoWiki PmWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
8469 ⭐
54 ⭐
N/A
Common Features TiddlyWiki WackoWiki PmWiki
Preview
Yes
Yes
Yes
Minor Changes
Yes
Yes
Yes
Change Summary
Unknown
Yes
Yes
Page History
Plugin
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
Special Features TiddlyWiki WackoWiki PmWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Optional
Interface Languages
4
German, English, French, Japanese
29
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Hungarian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Ukrainian, Chinese, Chinese Traditional
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
Unknown
Yes
Optional
Comments
Plugin
Flat
Discussion Pages
Categories
Yes
Yes
Yes
Namespaces
Plugin
Yes
Yes
Conflict Handling
None
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Yes
Structured Data
Yes
Plugin
Yes
Links TiddlyWiki WackoWiki PmWiki
CamelCase
Yes
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
SisterWiki
No
No
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Page Redirects
Plugin
Yes
Yes
Syntax Features TiddlyWiki WackoWiki PmWiki
HTML Tags
Optional
All
Plugin
Math formulas
Yes
Plugin
Plugin
Tables
complex
simple
simple + complex
CREOLE support
Plugin
No
Optional
Markdown Support
Yes
No
Plugin
Textile Support
No
No
No
BBCode Support
No
Patch
Plugin
Emoticon Images
Plugin
Yes
Plugin
Syntax Highlighting
Plugin
Yes
Optional
Footnotes
Plugin
Yes
Plugin
Quoting
Yes
Yes
Plugin
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Plugin
No
Yes
Scripting
JavaScript
actions (PHP)
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Yes
Yes
Feed Aggregation
Plugin
Yes
Plugin
Usability TiddlyWiki WackoWiki PmWiki
Section Editing
Yes
Yes
Plugin
Page Templates
Yes
Yes
Yes
Double-Click Edit
Plugin
Yes
Plugin
Toolbar
Yes
Yes
Optional
WYSIWYG Editing
Plugin
Plugin
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Plugin
Yes
Yes
Statistics TiddlyWiki WackoWiki PmWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Optional
Orphaned Pages
Yes
Yes
Optional
Most/Least Popular
Plugin
Yes
No
Recent Visitors
No
Yes
Plugin
Analysis
Plugin
Plugin
Plugin
Output TiddlyWiki WackoWiki PmWiki
Printer Friendly
Print CSS
Print View
Print View
Mobile Friendly
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Plugin
Yes
Optional
ATOM Feeds
Plugin
No
Optional
Abbreviations
Unknown
Patch
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
XML export
Unknown
Yes
Plugin
PDF Export
Plugin
Patch
Plugin
Office Export
Unknown
Patch
Plugin
Media and Files TiddlyWiki WackoWiki PmWiki
File Attachments
Plugin
Yes
Optional
Media Revisions
No
No
Optional
Embedded Flash
Plugin
Yes
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
Yes
No
Plugin
SVG Editing
No
No
Plugin
MindMap Editing
Plugin
Plugin
Plugin
Media Search
No
Contents
Filenames only
Extras TiddlyWiki WackoWiki PmWiki
Calendar
Plugin
Plugin
Plugin
Image Galleries
Plugin
Plugin
Plugin
Presentations
Plugin
Plugin
Plugin
Forums
Plugin
Optional
Plugin
Blogs
Yes
Optional
Plugin
Ticket System
Plugin
No
Plugin
Chat
Unknown
Patch
No
Syntax Examples TiddlyWiki WackoWiki PmWiki
Internal Link
WikiWord (CamelCase)
[[link]]
[[label|link]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
http://www.example.com
[[label|http://www.example.com]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
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
!! Level 2
!!! Level 3
Bold Format
''bold''
**bold**
'''bold'''
Italics Format
//italic//
//italics//
''italic''
Underline Format
__underline__
__underline__
{+underlined+}
Monospace Format
{{{monospaced}}}
##monospace##
@@monospace@@
Strikethrough Format
--strikethrough--
--strikethrough--
{-strikethrough-}
Superscript Format
^^superscript^^
^^superscript^^
'^superscript^'
Subscript Format
~~subscript~~
vvsubscriptvv
'_subscript_'
Images
[img[local.jpg]]
[img[http://foo.bar/foo.jpg]]
((image.png))
file:image.png
https://example.com/image.png
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
using custom classes, e.g.
{{right{
text
}}}
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
:indent

> quote

<<<
blockquote
<<<
one
two
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
# 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
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
; term
: description
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
: term : definition
Horizontal Rule
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remove TiddlyWiki remove WackoWiki remove PmWiki