PmWiki vs. WackoWiki vs. Friki

General Features PmWiki WackoWiki Friki
Version
2.5.6
6.2.0
2.1.1
Last Release Date
2026-02-08 (9 days ago)
2025-12-14 (2 months ago)
2004-05-14 (21 years ago)
Last Update here
2026-02-08 (9 days ago)
2025-12-13 (2 months ago)
2006-02-14 (20 years ago)
Author
Petko Yotov (Original author: Patrick R. Michaud)
WackoWiki Team
Frank Carver
URL
Free and Open Source
Yes
Yes
Yes
License
GPL2+
BSD
ASL or LGPL
Programming Language
PHP
PHP
Java
Data Storage
Files
Database
Files
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
All
Advanced End Users, Developers, End Users/Desktop
private users and small teams
System Requirements PmWiki WackoWiki Friki
Operating System
Linux, UNIX, Windows, MacOS X, probably others
OS Independent
Any that can run Java 1.3 or later
Root Access
No
No
No
Webserver
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
run with the appserver/webserver of your choice
Any that can run or call Java
Other Requirements
none
mod_rewrite (optional)
Java 1.3 or later
Datastorage PmWiki WackoWiki Friki
Text Files
Yes
No
Yes
MySQL
Plugin
Yes
No
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
Plugin
Yes
No
BerkeleyDB
No
No
No
RCS
Plugin
No
No
Other
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
MariaDB
Security/Anti-Spam PmWiki WackoWiki Friki
Page Permissions
Yes
Yes
No
ACL
Yes
Yes
No
Authentication Backends
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
Optional
Optional
Patch
Mail Encryption
Optional
Optional
No
nofollow
Yes
Optional
Optional
Blacklist
Optional
Yes
No
CAPTCHA
Plugin
Yes
No
Delayed Indexing
Optional
No
No
Development/Support PmWiki WackoWiki Friki
# of Consultants
Preconfigured Hosting
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
55 ⭐
N/A
Common Features PmWiki WackoWiki Friki
Preview
Yes
Yes
No
Minor Changes
Yes
Yes
No
Change Summary
Yes
Yes
No
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin System
Yes
Yes
No
Special Features PmWiki WackoWiki Friki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Optional
Yes
Unknown
Interface Languages
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
0
Email notification
Optional
Yes
No
Comments
Discussion Pages
Flat
No
Categories
Yes
Yes
Unknown
Namespaces
Yes
Yes
Unknown
Conflict Handling
Conflict Resolution
Page Locking
None
Concurrent Editing
Yes
No
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Unknown
Structured Data
Yes
Plugin
Unknown
Links PmWiki WackoWiki Friki
CamelCase
Optional
Optional
Yes
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
Plugin
No
No
Image Links
Yes
Yes
Optional
Windows Shares
Yes
Yes
No
Page Redirects
Yes
Yes
Unknown
Syntax Features PmWiki WackoWiki Friki
HTML Tags
Plugin
All
None
Math formulas
Plugin
Plugin
No
Tables
simple + complex
simple
complex
CREOLE support
Optional
No
Unknown
Markdown Support
Plugin
No
Optional
Textile Support
No
No
Optional
BBCode Support
Plugin
Patch
Optional
Emoticon Images
Plugin
Yes
Optional
Syntax Highlighting
Optional
Yes
Optional
Footnotes
Plugin
Yes
No
Quoting
Plugin
Yes
No
Internal Comments
Yes
Yes
No
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
No
Scripting
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
actions (PHP)
Content Includes
Yes
Yes
No
Feed Aggregation
Plugin
Yes
No
Usability PmWiki WackoWiki Friki
Section Editing
Plugin
Yes
No
Page Templates
Yes
Yes
No
Double-Click Edit
Plugin
Yes
No
Toolbar
Optional
Yes
No
WYSIWYG Editing
Plugin
Plugin
No
Access Keys
Yes
Yes
Unknown
Auto Signature
Yes
Yes
No
Statistics PmWiki WackoWiki Friki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Optional
Yes
No
Orphaned Pages
Optional
Yes
No
Most/Least Popular
No
Yes
No
Recent Visitors
Plugin
Yes
Yes
Analysis
Plugin
Plugin
No
Output PmWiki WackoWiki Friki
Printer Friendly
Print View
Print View
No
Mobile Friendly
Yes
Yes
Unknown
Themes & Skins
Yes
Yes
Optional
RSS Feeds
Optional
Yes
No
ATOM Feeds
Optional
No
No
Abbreviations
Plugin
Patch
No
Auto-TOC
Optional
Yes
No
Raw Export
Yes
Yes
No
HTML Export
Plugin
Yes
No
XML export
Plugin
Yes
No
PDF Export
Plugin
Patch
No
Office Export
Plugin
Patch
Unknown
Media and Files PmWiki WackoWiki Friki
File Attachments
Optional
Yes
No
Media Revisions
Optional
No
No
Embedded Flash
Plugin
Yes
No
Embedded Video
Plugin
Yes
No
Image Editing
Plugin
No
Unknown
SVG Editing
Plugin
No
Unknown
MindMap Editing
Plugin
Plugin
Unknown
Media Search
Filenames only
Contents
No
Extras PmWiki WackoWiki Friki
Calendar
Plugin
Plugin
Unknown
Image Galleries
Plugin
Plugin
Unknown
Presentations
Plugin
Plugin
Unknown
Forums
Plugin
Optional
Unknown
Blogs
Plugin
Optional
Unknown
Ticket System
Plugin
No
Unknown
Chat
No
Patch
Unknown
Syntax Examples PmWiki WackoWiki Friki
Internal 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://....
[[http://... | link text]]
[[link text -> http://...]]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
Headlines
! 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''
//italics//
''italic''
Underline Format
{+underlined+}
__underline__
Monospace Format
@@monospace@@
##monospace##
monospace
Strikethrough Format
{-strikethrough-}
--strikethrough--
Superscript Format
'^superscript^'
^^superscript^^
Subscript Format
'_subscript_'
vvsubscriptvv
Images
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
http://stringtree.org/friki/logo.gif
Aligning 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
-> indented text
--> more indentation
-< hanging text
--< more indentation
one
two
:        indented
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
*one
**One-two
*two
*three
* first
* second
Numbered Lists
# 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


1. first
1. second
Definition Lists
: term : definition
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
title:        description
Horizontal Rule
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remove PmWiki remove WackoWiki remove Friki