TiddlyWiki vs. WackoWiki vs. PmWiki vs. TWiki

General Features TiddlyWiki WackoWiki PmWiki TWiki
Version
5.1.21
6.2.1
2.5.6
TWiki-6.1.0
Last Release Date
2019-07-25 (6 years ago)
2026-03-03 (1 day ago)
2026-02-08 (24 days ago)
2018-07-16 (7 years ago)
Last Update here
2019-11-20 (6 years ago)
2026-03-03 (1 day ago)
2026-02-08 (24 days ago)
2019-07-19 (6 years ago)
Author
Jeremy Ruston, TiddlyWiki community
WackoWiki Team
Petko Yotov (Original author: Patrick R. Michaud)
Peter Thoeny, TWiki community
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
BSD
GPL2+
GPL
Programming Language
HTML, JavaScript
PHP
PHP
Perl, JavaScript
Data Storage
Files
Database
Files
Files, RCS
License Cost/ Fee
0
0
0
N/A
Development status
Mature
Mature
Mature
Mature
Intended Audience
Individuals, private, small groups
Advanced End Users, Developers, End Users/Desktop
All
Large enterprise; small to medium businesses
System Requirements TiddlyWiki WackoWiki PmWiki TWiki
Operating System
Any
OS Independent
Linux, UNIX, Windows, MacOS X, probably others
Linux, Windows, OS-X and other
Root Access
No
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.
Almost any webserver, typically Apache and Ngnix
Other Requirements
A common browser
mod_rewrite (optional)
none
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
Datastorage TiddlyWiki WackoWiki PmWiki TWiki
Text Files
Optional
No
Yes
Yes
MySQL
No
Yes
Plugin
No
PostgreSQL
No
No
No
No
Oracle
No
No
No
No
SQLite
No
Yes
Plugin
No
BerkeleyDB
No
No
No
No
RCS
No
No
Plugin
Yes
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.
RcsLite Perl library for version control without external RCS; backend API for other storage
Security/Anti-Spam TiddlyWiki WackoWiki PmWiki TWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
No
Yes
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.
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
Host Blocking
No
Optional
Optional
Plugin
Mail Encryption
No
Optional
Optional
Yes
nofollow
Unknown
Optional
Yes
Plugin
Blacklist
No
Yes
Optional
Plugin
CAPTCHA
No
Yes
Plugin
Plugin
Delayed Indexing
Unknown
No
Optional
Plugin
Development/Support TiddlyWiki WackoWiki PmWiki TWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
8554 ⭐
55 ⭐
N/A
N/A
Common Features TiddlyWiki WackoWiki PmWiki TWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
Yes
Yes
Change Summary
Unknown
Yes
Yes
Yes
Page History
Plugin
Yes
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 TiddlyWiki WackoWiki PmWiki TWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Optional
No
Interface Languages
4
German, English, French, Japanese
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
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
19
Bulgarian, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
Email notification
Unknown
Yes
Optional
Yes
Comments
Plugin
Flat
Discussion Pages
Threaded
Categories
Yes
Yes
Yes
Yes
Namespaces
Plugin
Yes
Yes
Yes
Conflict Handling
None
Page Locking
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
No
Yes
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Yes
Optional
Structured Data
Yes
Plugin
Yes
Yes
Links TiddlyWiki WackoWiki PmWiki TWiki
CamelCase
Yes
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
Yes
SisterWiki
No
No
Plugin
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Plugin
Page Redirects
Plugin
Yes
Yes
Plugin
Syntax Features TiddlyWiki WackoWiki PmWiki TWiki
HTML Tags
Optional
All
Plugin
All
Math formulas
Yes
Plugin
Plugin
Plugin
Tables
complex
simple + complex
simple + complex
simple + complex
CREOLE support
Plugin
No
Optional
No
Markdown Support
Yes
No
Plugin
No
Textile Support
No
No
No
Plugin
BBCode Support
No
Patch
Plugin
No
Emoticon Images
Plugin
Yes
Plugin
Yes
Syntax Highlighting
Plugin
Yes
Optional
Plugin
Footnotes
Plugin
Yes
Plugin
Plugin
Quoting
Yes
Yes
Plugin
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Plugin
No
Yes
Yes
Scripting
JavaScript
actions (PHP)
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
TWiki Markup Language, TWiki variables, JavaScript, extensive API
Content Includes
Yes
Yes
Yes
Yes
Feed Aggregation
Plugin
Yes
Plugin
Yes
Usability TiddlyWiki WackoWiki PmWiki TWiki
Section Editing
Yes
Yes
Plugin
Plugin
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Plugin
Yes
Plugin
Plugin
Toolbar
Yes
Yes
Optional
Plugin
WYSIWYG Editing
Plugin
Plugin
Plugin
Yes
Access Keys
Yes
Yes
Yes
Yes
Auto Signature
Plugin
Yes
Yes
Yes
Statistics TiddlyWiki WackoWiki PmWiki TWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Optional
No
Orphaned Pages
Yes
Yes
Optional
Plugin
Most/Least Popular
Plugin
Yes
No
Yes
Recent Visitors
No
Yes
Plugin
Plugin
Analysis
Plugin
Plugin
Plugin
Yes
Output TiddlyWiki WackoWiki PmWiki TWiki
Printer Friendly
Print CSS
Print View
Print View
Print View
Mobile Friendly
Yes
Yes
Yes
Plugin
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Plugin
Yes
Optional
Yes
ATOM Feeds
Plugin
No
Optional
Yes
Abbreviations
Unknown
Patch
Plugin
Plugin
Auto-TOC
Yes
Yes
Optional
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
Yes
XML export
Unknown
Yes
Plugin
Plugin
PDF Export
Plugin
Patch
Plugin
Plugin
Office Export
Unknown
Patch
Plugin
Unknown
Media and Files TiddlyWiki WackoWiki PmWiki TWiki
File Attachments
Plugin
Yes
Optional
Yes
Media Revisions
No
No
Optional
Yes
Embedded Flash
Plugin
Yes
Plugin
Plugin
Embedded Video
Yes
Yes
Plugin
Plugin
Image Editing
Yes
No
Plugin
Plugin
SVG Editing
No
No
Plugin
Plugin
MindMap Editing
Plugin
Plugin
Plugin
Plugin
Media Search
No
Contents
Filenames only
Contents
Extras TiddlyWiki WackoWiki PmWiki TWiki
Calendar
Plugin
Plugin
Plugin
Plugin
Image Galleries
Plugin
Plugin
Plugin
Plugin
Presentations
Plugin
Plugin
Plugin
Unknown
Forums
Plugin
Optional
Plugin
Plugin
Blogs
Yes
Optional
Plugin
Plugin
Ticket System
Plugin
No
Plugin
Plugin
Chat
Unknown
Patch
No
Unknown
Syntax Examples TiddlyWiki WackoWiki PmWiki TWiki
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]]
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
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://...]]
http://twiki.org/ autolink
[[http://twiki.org/][label]]
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
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
Bold Format
''bold''
**bold**
'''bold'''
*bold*
Italics Format
//italic//
//italics//
''italic''
_italic_
Underline Format
__underline__
__underline__
{+underlined+}
<u>underline</u>
Monospace Format
{{{monospaced}}}
##monospace##
@@monospace@@
=monospaced text= and
<verbatim>
multi line text
</verbatim>
Strikethrough Format
--strikethrough--
--strikethrough--
{-strikethrough-}
<strike>strikethrough</strike>
Superscript Format
^^superscript^^
^^superscript^^
'^superscript^'
<sup>superscript</sup>
Subscript Format
~~subscript~~
,,subscript,,
'_subscript_'
<sub>subscript</sub>
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
%ATTACHURL%/image.png
http://any.domain/image.png
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
| left |   center   |   right |
or HTML
or CSS
Text Indentation
:indent

> quote

<<<
blockquote
<<<
one
two
-> indented text
--> more indentation
-< hanging text
--< more indentation
<blockquote>
multi line text
</blockquote>
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
* 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
1. Item 1
a. Item 1.a
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
$ Term: Definition
Horizontal Rule
----
----
----
---
remove TiddlyWiki remove WackoWiki remove PmWiki remove TWiki