TiddlyWiki vs. PmWiki vs. WackoWiki

General Features TiddlyWiki PmWiki WackoWiki
Version
5.1.21
2.5.6
6.2.0
Last Release Date
2019-07-25 (6 years ago)
2026-02-08 (9 days ago)
2025-12-14 (2 months ago)
Last Update here
2019-11-20 (6 years ago)
2026-02-08 (9 days ago)
2025-12-13 (2 months ago)
Author
Jeremy Ruston, TiddlyWiki community
Petko Yotov (Original author: Patrick R. Michaud)
WackoWiki Team
URL
Free and Open Source
Yes
Yes
Yes
License
BSD
GPL2+
BSD
Programming Language
HTML, JavaScript
PHP
PHP
Data Storage
Files
Files
Database
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
Individuals, private, small groups
All
Advanced End Users, Developers, End Users/Desktop
System Requirements TiddlyWiki PmWiki WackoWiki
Operating System
Any
Linux, UNIX, Windows, MacOS X, probably others
OS Independent
Root Access
No
No
No
Webserver
Not required (optional backends available)
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
run with the appserver/webserver of your choice
Other Requirements
A common browser
none
mod_rewrite (optional)
Datastorage TiddlyWiki PmWiki WackoWiki
Text Files
Optional
Yes
No
MySQL
No
Plugin
Yes
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
No
Plugin
Yes
BerkeleyDB
No
No
No
RCS
No
Plugin
No
Other
Data self contained in html file OR as individual data files
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
MariaDB
Security/Anti-Spam TiddlyWiki PmWiki WackoWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
optional extensions available
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
Host Blocking
No
Optional
Optional
Mail Encryption
No
Optional
Optional
nofollow
Unknown
Yes
Optional
Blacklist
No
Optional
Yes
CAPTCHA
No
Plugin
Yes
Delayed Indexing
Unknown
Optional
No
Development/Support TiddlyWiki PmWiki WackoWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
8548 ⭐
N/A
55 ⭐
Common Features TiddlyWiki PmWiki WackoWiki
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 PmWiki WackoWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
Optional
Yes
Interface Languages
4
German, English, French, Japanese
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
Email notification
Unknown
Optional
Yes
Comments
Plugin
Discussion Pages
Flat
Categories
Yes
Yes
Yes
Namespaces
Plugin
Yes
Yes
Conflict Handling
None
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Yes
No
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
Patch
Structured Data
Yes
Yes
Plugin
Links TiddlyWiki PmWiki WackoWiki
CamelCase
Yes
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
SisterWiki
No
Plugin
No
Image Links
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Page Redirects
Plugin
Yes
Yes
Syntax Features TiddlyWiki PmWiki WackoWiki
HTML Tags
Optional
Plugin
All
Math formulas
Yes
Plugin
Plugin
Tables
complex
simple + complex
simple
CREOLE support
Plugin
Optional
No
Markdown Support
Yes
Plugin
No
Textile Support
No
No
No
BBCode Support
No
Plugin
Patch
Emoticon Images
Plugin
Plugin
Yes
Syntax Highlighting
Plugin
Optional
Yes
Footnotes
Plugin
Plugin
Yes
Quoting
Yes
Plugin
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Plugin
Yes
No
Scripting
JavaScript
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
actions (PHP)
Content Includes
Yes
Yes
Yes
Feed Aggregation
Plugin
Plugin
Yes
Usability TiddlyWiki PmWiki WackoWiki
Section Editing
Yes
Plugin
Yes
Page Templates
Yes
Yes
Yes
Double-Click Edit
Plugin
Plugin
Yes
Toolbar
Yes
Optional
Yes
WYSIWYG Editing
Plugin
Plugin
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Plugin
Yes
Yes
Statistics TiddlyWiki PmWiki WackoWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Optional
Yes
Orphaned Pages
Yes
Optional
Yes
Most/Least Popular
Plugin
No
Yes
Recent Visitors
No
Plugin
Yes
Analysis
Plugin
Plugin
Plugin
Output TiddlyWiki PmWiki WackoWiki
Printer Friendly
Print CSS
Print View
Print View
Mobile Friendly
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Plugin
Optional
Yes
ATOM Feeds
Plugin
Optional
No
Abbreviations
Unknown
Plugin
Patch
Auto-TOC
Yes
Optional
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Plugin
Yes
XML export
Unknown
Plugin
Yes
PDF Export
Plugin
Plugin
Patch
Office Export
Unknown
Plugin
Patch
Media and Files TiddlyWiki PmWiki WackoWiki
File Attachments
Plugin
Optional
Yes
Media Revisions
No
Optional
No
Embedded Flash
Plugin
Plugin
Yes
Embedded Video
Yes
Plugin
Yes
Image Editing
Yes
Plugin
No
SVG Editing
No
Plugin
No
MindMap Editing
Plugin
Plugin
Plugin
Media Search
No
Filenames only
Contents
Extras TiddlyWiki PmWiki WackoWiki
Calendar
Plugin
Plugin
Plugin
Image Galleries
Plugin
Plugin
Plugin
Presentations
Plugin
Plugin
Plugin
Forums
Plugin
Plugin
Optional
Blogs
Yes
Plugin
Optional
Ticket System
Plugin
Plugin
No
Chat
Unknown
No
Patch
Syntax Examples TiddlyWiki PmWiki WackoWiki
Internal Link
WikiWord (CamelCase)
[[link]]
[[label|link]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
External Link
http://www.example.com
[[label|http://www.example.com]]
http://....
[[http://... | link text]]
[[link text -> http://...]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
Headlines
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
! Level 1
!!#anchor Level 2
!!! Level 3
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
Bold Format
''bold''
'''bold'''
**bold**
Italics Format
//italic//
''italic''
//italics//
Underline Format
__underline__
{+underlined+}
__underline__
Monospace Format
{{{monospaced}}}
@@monospace@@
##monospace##
Strikethrough Format
--strikethrough--
{-strikethrough-}
--strikethrough--
Superscript Format
^^superscript^^
'^superscript^'
^^superscript^^
Subscript Format
~~subscript~~
'_subscript_'
vvsubscriptvv
Images
[img[local.jpg]]
[img[http://foo.bar/foo.jpg]]
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
Aligning Text
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
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
Text Indentation
:indent

> quote

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


Definition Lists
; term
: description
: term : definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
Horizontal Rule
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remove TiddlyWiki remove PmWiki remove WackoWiki