Friki vs. ikiwiki vs. PmWiki vs. Wikidot vs. WikiNi

General Features Friki ikiwiki PmWiki Wikidot WikiNi
Version
2.1.1
2.67
2.6.0
0.5.0
Last Release Date
2004-05-14 (22 years ago)
2008-10-17 (17 years ago)
2026-05-16 (1 month ago)
2007-04-12 (19 years ago)
Last Update here
2006-02-14 (20 years ago)
2008-10-28 (17 years ago)
2026-05-16 (1 month ago)
2009-12-09 (16 years ago)
2009-02-10 (17 years ago)
Author
Frank Carver
Joey Hess and the ikiwiki community
Petko Yotov (Original author: Patrick R. Michaud)
Michal Frackowiak
URL
Free and Open Source
Yes
Yes
Yes
Yes
Yes
License
ASL or LGPL
GPL
GPL2+
AGPLv3
GPL
Programming Language
Java
Perl
PHP
PHP
Data Storage
Files
Files, RCS
Files
Database
Database
License Cost/ Fee
0
0
0
Free / Paid Accounts (starts from $5 per month)
0 ($, €, £, ¥, ...)
Development status
Mature
Mature
Mature
Mature
Mature
Intended Audience
private users and small teams
Anyone
All
companies, private users, social groups and communities, software developers, tech geeks
End Users/Desktop, Education
Hosting Features Friki ikiwiki PmWiki Wikidot WikiNi
Storage Quota
N/A
N/A
N/A
1500MB for free users, more for Pro accounts
N/A
Bandwidth Quota
N/A
N/A
N/A
no limit
N/A
Other Limits
N/A
N/A
N/A
max uploaded file size limit
N/A
Topic Restrictions
N/A
N/A
N/A
by Terms Of Service
N/A
Corporate Branding
N/A
N/A
N/A
Yes
N/A
Own Domain
N/A
N/A
N/A
Yes
N/A
Ads allowed
N/A
N/A
N/A
Yes
N/A
System Requirements Friki ikiwiki PmWiki Wikidot WikiNi
Operating System
Any that can run Java 1.3 or later
Any
Linux, UNIX, Windows, MacOS X, probably others
all (UNIX, Windows, MacOS X)
Root Access
No
No
No
No
No
Webserver
Any that can run or call Java
Any, or none
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Other Requirements
Java 1.3 or later
none
Datastorage Friki ikiwiki PmWiki Wikidot WikiNi
Text Files
Yes
Yes
Yes
Unknown
No
MySQL
No
No
Plugin
Unknown
Yes
PostgreSQL
No
No
No
Yes
No
Oracle
No
No
No
Unknown
No
SQLite
No
No
Plugin
Unknown
No
BerkeleyDB
No
No
No
Unknown
No
RCS
No
Yes
Plugin
Unknown
No
Other
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam Friki ikiwiki PmWiki Wikidot WikiNi
Page Permissions
No
Yes
Yes
Yes
Yes
ACL
No
Yes
Yes
Yes
Yes
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
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
Patch
Yes
Optional
Yes
Unknown
Mail Encryption
No
Yes
Optional
No
Unknown
nofollow
Optional
No
Yes
Yes
No
Blacklist
No
Yes
Optional
Yes
No
CAPTCHA
No
No
Plugin
Yes
Patch
Delayed Indexing
No
No
Optional
Yes
No
Development/Support Friki ikiwiki PmWiki Wikidot WikiNi
# of Consultants
Preconfigured Hosting
No
No
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
N/A
N/A
N/A
Common Features Friki ikiwiki PmWiki Wikidot WikiNi
Preview
No
Yes
Yes
Yes
Yes
Minor Changes
No
No
Yes
Yes
No
Change Summary
No
Yes
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Restricted by Age
Revision Diffs
Between all
Between all
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Yes
Yes
Plugin System
No
Yes
Yes
No
Yes
Special Features Friki ikiwiki PmWiki Wikidot WikiNi
Unicode Support
Yes
Yes
Yes
Yes
No
Right-to-Left Support
Unknown
Yes
Optional
Yes
Unknown
Interface Languages
0
1
English
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
2
English, Polish
1
French
Email notification
No
Yes
Optional
Yes
Plugin
Comments
No
Discussion Pages
Discussion Pages
Threaded
Threaded
Categories
Unknown
Plugin
Yes
Yes
Unknown
Namespaces
Unknown
Yes
Yes
Yes
Patch
Conflict Handling
None
Conflict Resolution
Conflict Resolution
Page Locking
Conflict Detection
Concurrent Editing
Unknown
Unknown
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Unknown
Yes
Yes
Yes
Unknown
Structured Data
Unknown
Unknown
Yes
Yes
Unknown
Links Friki ikiwiki PmWiki Wikidot WikiNi
CamelCase
Yes
Plugin
Optional
No
Yes
Freelinks
Yes
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
Yes
InterWiki
Yes
Plugin
Yes
Yes
Yes
SisterWiki
No
Plugin
Plugin
No
No
Image Links
Optional
Yes
Yes
Yes
Unknown
Windows Shares
No
Yes
Yes
No
No
Page Redirects
Unknown
Unknown
Yes
Yes
Unknown
Syntax Features Friki ikiwiki PmWiki Wikidot WikiNi
HTML Tags
None
Optional
Plugin
None
Optional
Math formulas
No
Plugin
Plugin
Yes
Plugin
Tables
complex
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
Unknown
No
Optional
No
No
Markdown Support
Optional
Yes
Plugin
No
No
Textile Support
Optional
Plugin
No
No
No
BBCode Support
Optional
No
Plugin
No
No
Emoticon Images
Optional
Plugin
Plugin
No
No
Syntax Highlighting
Optional
Plugin
Optional
Yes
Yes
Footnotes
No
No
Plugin
Yes
Plugin
Quoting
No
Yes
Plugin
Yes
Unknown
Internal Comments
No
Yes
Yes
Yes
Unknown
Custom styles
Yes
Yes
Yes
Yes
Patch
FAQ Tags
No
Yes
Yes
No
No
Scripting
safe subset of HTML::Template supported via template plugin
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
CSS styles, embeddable JavaScript, reporting language
Content Includes
No
Plugin
Yes
Yes
Yes
Feed Aggregation
No
Plugin
Plugin
Yes
Patch
Usability Friki ikiwiki PmWiki Wikidot WikiNi
Section Editing
No
No
Plugin
Yes
No
Page Templates
No
Yes
Yes
Yes
No
Double-Click Edit
No
No
Plugin
No
Yes
Toolbar
No
No
Optional
Yes
Patch
WYSIWYG Editing
No
No
Plugin
No
No
Access Keys
Unknown
No
Yes
Yes
Yes
Auto Signature
No
No
Yes
Yes
No
Statistics Friki ikiwiki PmWiki Wikidot WikiNi
Recent Changes
Yes
Yes
Yes
Yes
Yes
Wanted Pages
No
Plugin
Optional
Yes
Yes
Orphaned Pages
No
Plugin
Optional
Yes
Yes
Most/Least Popular
No
No
No
No
No
Recent Visitors
Yes
No
Plugin
No
No
Analysis
No
No
Plugin
Yes
No
Output Friki ikiwiki PmWiki Wikidot WikiNi
Printer Friendly
No
Print CSS
Print View
Print View
Print CSS
Mobile Friendly
Unknown
Yes
Yes
Optional
Unknown
Themes & Skins
Optional
Yes
Yes
Yes
Optional
RSS Feeds
No
Plugin
Optional
Yes
Yes
ATOM Feeds
No
Plugin
Optional
No
No
Abbreviations
No
No
Plugin
No
No
Auto-TOC
No
Plugin
Optional
Yes
Unknown
Raw Export
No
Yes
Yes
Yes
Yes
HTML Export
No
Yes
Plugin
No
No
XML export
No
No
Plugin
No
No
PDF Export
No
No
Plugin
No
Plugin
Office Export
Unknown
Unknown
Plugin
Unknown
Unknown
Media and Files Friki ikiwiki PmWiki Wikidot WikiNi
File Attachments
No
Yes
Optional
Yes
Plugin
Media Revisions
No
Yes
Optional
No
Unknown
Embedded Flash
No
Optional
Plugin
Yes
Plugin
Embedded Video
No
Optional
Plugin
Yes
Plugin
Image Editing
Unknown
No
Plugin
No
No
SVG Editing
Unknown
No
Plugin
No
No
MindMap Editing
Unknown
No
Plugin
No
No
Media Search
No
Filenames only
Filenames only
No
No
Extras Friki ikiwiki PmWiki Wikidot WikiNi
Calendar
Unknown
Plugin
Plugin
Optional
Unknown
Image Galleries
Unknown
Plugin
Plugin
Yes
Unknown
Presentations
Unknown
Unknown
Plugin
Unknown
Unknown
Forums
Unknown
Unknown
Plugin
Yes
Unknown
Blogs
Unknown
Yes
Plugin
Yes
Unknown
Ticket System
Unknown
Yes
Plugin
Yes
Unknown
Chat
Unknown
Unknown
No
Unknown
Unknown
Syntax Examples Friki ikiwiki PmWiki Wikidot WikiNi
Internal Link
[[internal]]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
[[[page-name]]] or
[[[page-name|anchor]]]
wiki word (XxxXxxxxx)
External Link
[link text](http://example.org)
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
[[ ]]
Headlines
Two syntaxes:

# heading 1
## heading 2
### heading 3

heading 1
=========

heading 2
---------
! Level 1
!!#anchor Level 2
!!! Level 3
+++ headline level 3
====== ====== level 1
===== ===== level 2
==== ==== level 3
=== === level 4
== == level 5

Bold Format
'''bold''
**bold**
__bold__
'''bold'''
**bold text**
** **
Italics Format
''italic''
*emphasized*
_emphasized_
''italic''
//italic text//
// //
Underline Format
via HTML: <u>underlined</u>
{+underlined+}
__underlined text__
__ __
Monospace Format
monospace
`inline monospace`

indented block of
monospaced text

tab-indented
block
@@monospace@@
{{monospaced text}}
## ##
Strikethrough Format
via HTML: <del>deleted</del>
{-strikethrough-}
--strikethrough text--
@@ @@
Superscript Format
via HTML: x<sup>2</sup>
'^superscript^'
^^superscript^^
Subscript Format
via HTML: a<sub>1</sub>
'_subscript_'
,,subscript,,
Images
http://stringtree.org/friki/logo.gif
![alt text](internal/image)
![alt text](http://example.org/external/image)
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
[[image src="..."]]
Aligning Text
%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
= Centered line
Text Indentation
:        indented
-> indented text
--> more indentation
-< hanging text
--< more indentation
> First level of indentation
>> Second level of indentation.
[space] level 1
[space][space] level 2
[space][space][...] level X
Bulleted Lists
* first
* second
* item 1
* item 2
* item 2.1
* item 2.2
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
* element 1
* element 2
-
-
-
Numbered Lists
1. first
1. second
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
# element 1
# element 1
1)
1)
1)
Definition Lists
title:        description
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
: term : definition
: item : description
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
----
----
remove Friki remove ikiwiki remove PmWiki remove Wikidot remove WikiNi