Foswiki vs. ikiwiki vs. PmWiki vs. Wikidot vs. Zwiki

General Features Foswiki ikiwiki PmWiki Wikidot Zwiki
Version
2.1.11
2.67
2.6.0
0.61
Last Release Date
2026-03-15 (2 months ago)
2008-10-17 (17 years ago)
2026-05-16 (28 days ago)
2008-10-28 (17 years ago)
Last Update here
2026-03-15 (2 months ago)
2008-10-28 (17 years ago)
2026-05-16 (28 days ago)
2009-12-09 (16 years ago)
2008-10-30 (17 years ago)
Author
Foswiki Community
Joey Hess and the ikiwiki community
Petko Yotov (Original author: Patrick R. Michaud)
Michal Frackowiak
Simon Michael & the Zwiki dev team
URL
Free and Open Source
Yes
Yes
Yes
Yes
Yes
License
GPL
GPL
GPL2+
AGPLv3
GPLv2
Programming Language
Perl
Perl
PHP
Python
Data Storage
Files, RCS
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
Enterprise, Corporate, Business, Intranets, Personal use, Community building, Educational, Intranet, Extranet
Anyone
All
companies, private users, social groups and communities, software developers, tech geeks
anyone able to install or get access to a zope server
Hosting Features Foswiki ikiwiki PmWiki Wikidot Zwiki
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 Foswiki ikiwiki PmWiki Wikidot Zwiki
Operating System
Linux, Windows, OS-X and others
Any
Linux, UNIX, Windows, MacOS X, probably others
any
Root Access
No
No
No
No
No
Webserver
Apache, Lighttpd, Nginx, or any other supporting (F)CGI
Any, or none
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
Zope
Other Requirements
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
none
Datastorage Foswiki ikiwiki PmWiki Wikidot Zwiki
Text Files
Yes
Yes
Yes
Unknown
Plugin
MySQL
No
No
Plugin
Unknown
Plugin
PostgreSQL
No
No
No
Yes
Plugin
Oracle
No
No
No
Unknown
Plugin
SQLite
No
No
Plugin
Unknown
Unknown
BerkeleyDB
No
No
No
Unknown
Unknown
RCS
Yes
Yes
Plugin
Unknown
Unknown
Other
caching of content into database using plugins
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
ZODB (zope object database)
Security/Anti-Spam Foswiki ikiwiki PmWiki Wikidot Zwiki
Page Permissions
Yes
Yes
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Yes
Yes
Authentication Backends
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
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.
any supported by Zope authentication plugins
Host Blocking
Plugin
Yes
Optional
Yes
Patch
Mail Encryption
Yes
Yes
Optional
No
Yes
nofollow
Yes
No
Yes
Yes
Unknown
Blacklist
Plugin
Yes
Optional
Yes
Yes
CAPTCHA
Plugin
No
Plugin
Yes
No
Delayed Indexing
Plugin
No
Optional
Yes
Patch
Development/Support Foswiki ikiwiki PmWiki Wikidot Zwiki
# of Consultants
Preconfigured Hosting
Yes
No
Yes
Yes
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#zwiki on freenode
Stars on GitHub
118 ⭐
N/A
N/A
N/A
N/A
Common Features Foswiki ikiwiki PmWiki Wikidot Zwiki
Preview
Yes
Yes
Yes
Yes
Yes
Minor Changes
Yes
No
Yes
Yes
No
Change Summary
Yes
Yes
Yes
Yes
Yes
Page History
Yes
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
No
Yes
Special Features Foswiki ikiwiki PmWiki Wikidot Zwiki
Unicode Support
Yes
Yes
Yes
Yes
Yes
Right-to-Left Support
No
Yes
Optional
Yes
Optional
Interface Languages
22
Bulgarian, Czech, Danish, German, Greek, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Russian, Swedish, Ukrainian, Chinese, Chinese Traditional
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
0
Email notification
Yes
Yes
Optional
Yes
Yes
Comments
Plugin
Discussion Pages
Discussion Pages
Threaded
Flat
Categories
Plugin
Plugin
Yes
Yes
No
Namespaces
Yes
Yes
Yes
Yes
No
Conflict Handling
Page Locking
Conflict Resolution
Conflict Resolution
Page Locking
Conflict Detection
Concurrent Editing
No
Unknown
Yes
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Plugin
Yes
Yes
Yes
Unknown
Structured Data
Yes
Unknown
Yes
Yes
Unknown
Links Foswiki ikiwiki PmWiki Wikidot Zwiki
CamelCase
Yes
Plugin
Optional
No
Optional
Freelinks
Yes
Yes
Yes
Yes
Optional
Backlinks
Yes
Yes
Yes
Yes
Yes
InterWiki
Plugin
Plugin
Yes
Yes
Yes
SisterWiki
Plugin
Plugin
Plugin
No
No
Image Links
Yes
Yes
Yes
Yes
Yes
Windows Shares
Plugin
Yes
Yes
No
Unknown
Page Redirects
Plugin
Unknown
Yes
Yes
Unknown
Syntax Features Foswiki ikiwiki PmWiki Wikidot Zwiki
HTML Tags
All
Optional
Plugin
None
Optional
Math formulas
Plugin
Plugin
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
simple + complex
simple + complex
simple + complex
CREOLE support
Plugin
No
Optional
No
No
Markdown Support
Plugin
Yes
Plugin
No
No
Textile Support
Plugin
Plugin
No
No
No
BBCode Support
Plugin
No
Plugin
No
No
Emoticon Images
Plugin
Plugin
Plugin
No
Patch
Syntax Highlighting
Plugin
Plugin
Optional
Yes
No
Footnotes
Plugin
No
Plugin
Yes
Yes
Quoting
Yes
Yes
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
Yes
FAQ Tags
Yes
Yes
Yes
No
Optional
Scripting
JavaScript; Topic Markup Language
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
DTML
Content Includes
Yes
Plugin
Yes
Yes
Yes
Feed Aggregation
Plugin
Plugin
Plugin
Yes
Plugin
Usability Foswiki ikiwiki PmWiki Wikidot Zwiki
Section Editing
Plugin
No
Plugin
Yes
No
Page Templates
Yes
Yes
Yes
Yes
No
Double-Click Edit
Plugin
No
Plugin
No
Patch
Toolbar
Plugin
No
Optional
Yes
No
WYSIWYG Editing
Plugin
No
Plugin
No
Plugin
Access Keys
Yes
No
Yes
Yes
Yes
Auto Signature
Yes
No
Yes
Yes
Yes
Statistics Foswiki ikiwiki PmWiki Wikidot Zwiki
Recent Changes
Yes
Yes
Yes
Yes
Yes
Wanted Pages
No
Plugin
Optional
Yes
No
Orphaned Pages
Plugin
Plugin
Optional
Yes
Optional
Most/Least Popular
Yes
No
No
No
Optional
Recent Visitors
Plugin
No
Plugin
No
Plugin
Analysis
Yes
No
Plugin
Yes
No
Output Foswiki ikiwiki PmWiki Wikidot Zwiki
Printer Friendly
Print View
Print CSS
Print View
Print View
Print View
Mobile Friendly
Yes
Yes
Yes
Optional
Unknown
Themes & Skins
Yes
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Plugin
Optional
Yes
Yes
ATOM Feeds
Yes
Plugin
Optional
No
No
Abbreviations
Plugin
No
Plugin
No
Unknown
Auto-TOC
Yes
Plugin
Optional
Yes
Plugin
Raw Export
Yes
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
No
Yes
XML export
Plugin
No
Plugin
No
Yes
PDF Export
Plugin
No
Plugin
No
Patch
Office Export
Plugin
Unknown
Plugin
Unknown
Unknown
Media and Files Foswiki ikiwiki PmWiki Wikidot Zwiki
File Attachments
Yes
Yes
Optional
Yes
Yes
Media Revisions
Yes
Yes
Optional
No
No
Embedded Flash
Plugin
Optional
Plugin
Yes
Yes
Embedded Video
Plugin
Optional
Plugin
Yes
Yes
Image Editing
Plugin
No
Plugin
No
No
SVG Editing
Plugin
No
Plugin
No
No
MindMap Editing
Plugin
No
Plugin
No
No
Media Search
Contents
Filenames only
Filenames only
No
Filenames only
Extras Foswiki ikiwiki PmWiki Wikidot Zwiki
Calendar
Plugin
Plugin
Plugin
Optional
Unknown
Image Galleries
Plugin
Plugin
Plugin
Yes
Unknown
Presentations
Plugin
Unknown
Plugin
Unknown
Unknown
Forums
Plugin
Unknown
Plugin
Yes
Unknown
Blogs
Plugin
Yes
Plugin
Yes
Unknown
Ticket System
Plugin
Yes
Plugin
Yes
Unknown
Chat
No
Unknown
No
Unknown
Unknown
Syntax Examples Foswiki ikiwiki PmWiki Wikidot Zwiki
Internal Link
WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]
[[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]]]
WikiName
[freeform name]
[[double-bracketed]]
External Link
External Link
http://foswiki.org/ autolink
[[http://foswiki.org/][label]]
[link text](http://example.org)
http://....
[[http://... | link text]]
[[link text -> http://...]]
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
Bare urls plus markup-specific 
link syntax. This and all 
following syntax examples depend 
on which markup mode is used for 
a page, including:

restructured text, structured 
text, wikiwikiweb, moinmoin, 
html, plaintext..
Headlines
---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6
Two syntaxes:

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

heading 1
=========

heading 2
---------
! Level 1
!!#anchor Level 2
!!! Level 3
+++ headline level 3
Bold Format
*bold*
**bold**
__bold__
'''bold'''
**bold text**
Italics Format
_italic_
*emphasized*
_emphasized_
''italic''
//italic text//
Underline Format
<u>underline</u>
via HTML: <u>underlined</u>
{+underlined+}
__underlined text__
Monospace Format
=monospaced text= and
<verbatim>
multi line text
</verbatim>
`inline monospace`

indented block of
monospaced text

tab-indented
block
@@monospace@@
{{monospaced text}}
Strikethrough Format
<strike>strikethrough</strike>
via HTML: <del>deleted</del>
{-strikethrough-}
--strikethrough text--
Superscript Format
<sup>superscript</sup>
via HTML: x<sup>2</sup>
'^superscript^'
^^superscript^^
Subscript Format
<sub>subscript</sub>
via HTML: a<sub>1</sub>
'_subscript_'
,,subscript,,
Images
%ATTACHURL%/image.png
http://any.domain/image.png
%IMAGE{"image.png"}%
![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
| left |   center   |   right |
or HTML
or CSS
%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
<blockquote>
multi line text
</blockquote>
-> indented text
--> more indentation
-< hanging text
--< more indentation
> First level of indentation
>> Second level of indentation.
Bulleted Lists
* Item 1
* Item 1.1
* Item 2
* 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. Item 1
a. Item 1.a
1. Item 2
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
Definition Lists
$ Term: Definition
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
: term : definition
: item : description
Horizontal Rule
---
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
----
remove Foswiki remove ikiwiki remove PmWiki remove Wikidot remove Zwiki