| General Features | PmWiki | Foswiki | ikiwiki |
|---|---|---|---|
| Version |
2.7.3
|
2.1.11
|
2.67
|
| Last Release Date |
2026-07-26 (1 day ago)
|
2026-03-15 (4 months ago)
|
2008-10-17 (17 years ago)
|
| Last Update here |
2026-07-26 (1 day ago)
|
2026-03-15 (4 months ago)
|
2008-10-28 (17 years ago)
|
| Author |
Petko Yotov (Original author: Patrick R. Michaud)
|
Foswiki Community
|
Joey Hess and the ikiwiki community
|
| URL | |||
| Free and Open Source |
Yes
|
Yes
|
Yes
|
| License |
GPL2+
|
GPL
|
GPL
|
| Programming Language |
PHP
|
Perl
|
Perl
|
| Data Storage |
Files
|
Files, RCS
|
Files, RCS
|
| License Cost/ Fee |
0
|
$0
|
0
|
| Development status |
Mature
|
Mature
|
Mature
|
| Intended Audience |
All
|
Enterprise, Corporate, Business, Intranets, Personal use, Community building, Educational, Intranet, Extranet
|
Anyone
|
| System Requirements | PmWiki | Foswiki | ikiwiki |
| Operating System |
Linux, UNIX, Windows, MacOS X, probably others
|
Linux, Windows, OS-X and others
|
Any
|
| Root Access |
No
|
No
|
No
|
| Webserver |
Apache, IIS, anything with PHP support. Can also be run with PHP's built-in webserver.
|
Apache, Lighttpd, Nginx, or any other supporting (F)CGI
|
Any, or none
|
| Other Requirements |
none
|
RCS (optional), cron/scheduler, fgrep, egrep; Plugins may have additional dependencies
|
|
| Datastorage | PmWiki | Foswiki | ikiwiki |
| Text Files |
Yes
|
Yes
|
Yes
|
| MySQL |
Plugin
|
No
|
No
|
| PostgreSQL |
No
|
No
|
No
|
| Oracle |
No
|
No
|
No
|
| SQLite |
Plugin
|
No
|
No
|
| BerkeleyDB |
No
|
No
|
No
|
| RCS |
Plugin
|
Yes
|
Yes
|
| Other |
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
|
caching of content into database using plugins
|
|
| Security/Anti-Spam | PmWiki | Foswiki | ikiwiki |
| Page Permissions |
Yes
|
Yes
|
Yes
|
| ACL |
Yes
|
Yes
|
Yes
|
| 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.
|
Internal authentication; anything Apache supports such as LDAP, NIS, AD, Kerberos
|
Built-in, HTTP auth, OpenID; extensible via plugins
|
| Host Blocking |
Optional
|
Plugin
|
Yes
|
| Mail Encryption |
Optional
|
Yes
|
Yes
|
| nofollow |
Yes
|
Yes
|
No
|
| Blacklist |
Optional
|
Plugin
|
Yes
|
| CAPTCHA |
Plugin
|
Plugin
|
No
|
| Delayed Indexing |
Optional
|
Plugin
|
No
|
| Development/Support | PmWiki | Foswiki | ikiwiki |
| # of Consultants | |||
| Preconfigured Hosting |
Yes
|
Yes
|
No
|
| Code Repository | |||
| Issue Tracker | |||
| Mailing List | |||
| Support Forum | |||
| Chat Channel | |||
| Stars on GitHub |
N/A
|
118 ⭐
|
N/A
|
| Common Features | PmWiki | Foswiki | ikiwiki |
| Preview |
Yes
|
Yes
|
Yes
|
| Minor Changes |
Yes
|
Yes
|
No
|
| Change Summary |
Yes
|
Yes
|
Yes
|
| Page History |
Yes
|
Yes
|
Yes
|
| Page Revisions |
Unlimited
|
Unlimited
|
Unlimited
|
| Revision Diffs |
Between all
|
Between all
|
Between all
|
| Sitemap |
Yes
|
Yes
|
Plugin
|
| Plugin System |
Yes
|
Yes
|
Yes
|
| Special Features | PmWiki | Foswiki | ikiwiki |
| Unicode Support |
Yes
|
Yes
|
Yes
|
| Right-to-Left Support |
Optional
|
No
|
Yes
|
| 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 |
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 |
| Email notification |
Optional
|
Yes
|
Yes
|
| Comments |
Discussion Pages
|
Plugin
|
Discussion Pages
|
| Categories |
Yes
|
Plugin
|
Plugin
|
| Namespaces |
Yes
|
Yes
|
Yes
|
| Conflict Handling |
Conflict Resolution
|
Page Locking
|
Conflict Resolution
|
| Concurrent Editing |
Yes
|
No
|
Unknown
|
| Search |
Full Text
|
Full Text
|
Full Text
|
| Wiki Farming |
Yes
|
Plugin
|
Yes
|
| Structured Data |
Yes
|
Yes
|
Unknown
|
| Links | PmWiki | Foswiki | ikiwiki |
| CamelCase |
Optional
|
Yes
|
Plugin
|
| Freelinks |
Yes
|
Yes
|
Yes
|
| Backlinks |
Yes
|
Yes
|
Yes
|
| InterWiki |
Yes
|
Plugin
|
Plugin
|
| SisterWiki |
Plugin
|
Plugin
|
Plugin
|
| Image Links |
Yes
|
Yes
|
Yes
|
| Windows Shares |
Yes
|
Plugin
|
Yes
|
| Page Redirects |
Yes
|
Plugin
|
Unknown
|
| Syntax Features | PmWiki | Foswiki | ikiwiki |
| HTML Tags |
Plugin
|
All
|
Optional
|
| Math formulas |
Plugin
|
Plugin
|
Plugin
|
| Tables |
simple + complex
|
simple + complex
|
simple + complex
|
| CREOLE support |
Optional
|
Plugin
|
No
|
| Markdown Support |
Plugin
|
Plugin
|
Yes
|
| Textile Support |
No
|
Plugin
|
Plugin
|
| BBCode Support |
Plugin
|
Plugin
|
No
|
| Emoticon Images |
Plugin
|
Plugin
|
Plugin
|
| Syntax Highlighting |
Optional
|
Plugin
|
Plugin
|
| Footnotes |
Plugin
|
Plugin
|
No
|
| Quoting |
Plugin
|
Yes
|
Yes
|
| Internal Comments |
Yes
|
Yes
|
Yes
|
| Custom styles |
Yes
|
Yes
|
Yes
|
| FAQ Tags |
Yes
|
Yes
|
Yes
|
| Scripting |
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
|
JavaScript; Topic Markup Language
|
safe subset of HTML::Template supported via template plugin
|
| Content Includes |
Yes
|
Yes
|
Plugin
|
| Feed Aggregation |
Plugin
|
Plugin
|
Plugin
|
| Usability | PmWiki | Foswiki | ikiwiki |
| Section Editing |
Plugin
|
Plugin
|
No
|
| Page Templates |
Yes
|
Yes
|
Yes
|
| Double-Click Edit |
Plugin
|
Plugin
|
No
|
| Toolbar |
Optional
|
Plugin
|
No
|
| WYSIWYG Editing |
Plugin
|
Plugin
|
No
|
| Access Keys |
Yes
|
Yes
|
No
|
| Auto Signature |
Yes
|
Yes
|
No
|
| Statistics | PmWiki | Foswiki | ikiwiki |
| Recent Changes |
Yes
|
Yes
|
Yes
|
| Wanted Pages |
Optional
|
No
|
Plugin
|
| Orphaned Pages |
Optional
|
Plugin
|
Plugin
|
| Most/Least Popular |
No
|
Yes
|
No
|
| Recent Visitors |
Plugin
|
Plugin
|
No
|
| Analysis |
Plugin
|
Yes
|
No
|
| Output | PmWiki | Foswiki | ikiwiki |
| Printer Friendly |
Print View
|
Print View
|
Print CSS
|
| Mobile Friendly |
Yes
|
Yes
|
Yes
|
| Themes & Skins |
Yes
|
Yes
|
Yes
|
| RSS Feeds |
Optional
|
Yes
|
Plugin
|
| ATOM Feeds |
Optional
|
Yes
|
Plugin
|
| Abbreviations |
Plugin
|
Plugin
|
No
|
| Auto-TOC |
Optional
|
Yes
|
Plugin
|
| Raw Export |
Yes
|
Yes
|
Yes
|
| HTML Export |
Plugin
|
Yes
|
Yes
|
| XML export |
Plugin
|
Plugin
|
No
|
| PDF Export |
Plugin
|
Plugin
|
No
|
| Office Export |
Plugin
|
Plugin
|
Unknown
|
| Media and Files | PmWiki | Foswiki | ikiwiki |
| File Attachments |
Optional
|
Yes
|
Yes
|
| Media Revisions |
Optional
|
Yes
|
Yes
|
| Embedded Flash |
Plugin
|
Plugin
|
Optional
|
| Embedded Video |
Plugin
|
Plugin
|
Optional
|
| Image Editing |
Plugin
|
Plugin
|
No
|
| SVG Editing |
Plugin
|
Plugin
|
No
|
| MindMap Editing |
Plugin
|
Plugin
|
No
|
| Media Search |
Filenames only
|
Contents
|
Filenames only
|
| Extras | PmWiki | Foswiki | ikiwiki |
| Calendar |
Plugin
|
Plugin
|
Plugin
|
| Image Galleries |
Plugin
|
Plugin
|
Plugin
|
| Presentations |
Plugin
|
Plugin
|
Unknown
|
| Forums |
Plugin
|
Plugin
|
Unknown
|
| Blogs |
Plugin
|
Plugin
|
Yes
|
| Ticket System |
Plugin
|
Plugin
|
Yes
|
| Chat |
No
|
No
|
Unknown
|
| Syntax Examples | PmWiki | Foswiki | ikiwiki |
| Internal Link |
[[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]] |
[[internal]] |
| External Link |
http://.... [[http://... | link text]] [[link text -> http://...]] |
External Link http://foswiki.org/ autolink [[http://foswiki.org/][label]] |
[link text](http://example.org) |
| Headlines |
! Level 1 !!#anchor Level 2 !!! Level 3 |
---+ Level 1 ---++ Level 2 ---+++ Level 3 ---++++ Level 4 ---+++++ Level 5 ---++++++ Level 6 |
Two syntaxes: # heading 1 ## heading 2 ### heading 3 heading 1 ========= heading 2 --------- |
| Bold Format |
'''bold''' |
*bold* |
**bold** __bold__ |
| Italics Format |
''italic'' |
_italic_ |
*emphasized* _emphasized_ |
| Underline Format |
{+underlined+} |
<u>underline</u> |
via HTML: <u>underlined</u> |
| Monospace Format |
@@monospace@@ |
=monospaced text= and <verbatim> multi line text </verbatim> |
`inline monospace` indented block of monospaced text tab-indented block |
| Strikethrough Format |
{-strikethrough-} |
<strike>strikethrough</strike> |
via HTML: <del>deleted</del> |
| Superscript Format |
'^superscript^' |
<sup>superscript</sup> |
via HTML: x<sup>2</sup> |
| Subscript Format |
'_subscript_' |
<sub>subscript</sub> |
via HTML: a<sub>1</sub> |
| Images |
https://foo.bar/foo.jpg Attach:foo.jpg Attach:foo.jpg"alt/title text" | Caption |
%ATTACHURL%/image.png
http://any.domain/image.png
%IMAGE{"image.png"}% |
  |
| Aligning Text |
%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 |
-> indented text --> more indentation -< hanging text --< more indentation |
<blockquote> multi line text </blockquote> |
|
| Bulleted Lists |
* Item 1 ** Item 1.1 * Item 2 alternatively, indented: * item 1 * item 1.1 * item 2 |
* Item 1 * Item 1.1 * Item 2 |
* item 1 * item 2 * item 2.1 * item 2.2 |
| Numbered Lists |
# 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 |
1. item 1 2. item 2 1. item 1.1 42. the value doesn't matter 1. any value works |
| Definition Lists |
: term : definition |
$ Term: Definition |
via HTML: <dl> <dt>term</dt> <dd>definition</dd> </dl> |
| Horizontal Rule |
---- |
--- |
--- *** ___ ------------------ Any number > 3 - - - - - - - - - - spaces don't matter |
| remove PmWiki | remove Foswiki | remove ikiwiki |