Instiki vs. PhpWiki vs. PmWiki

General Features Instiki PhpWiki PmWiki
Version
0.30.0
phpwiki-1.3.14
2.3.33
Last Release Date
2019-02-28 (5 years ago)
2007-06-30 (16 years ago)
2024-04-20 (12 days ago)
Last Update here
2019-03-04 (5 years ago)
2009-04-03 (15 years ago)
2024-04-21 (11 days ago)
Author
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Steve Wainstead, Jeff Dairiki, Reini Urban, Carsten Klapp, Marc-Etienne Vargenau
Petko Yotov (Original author: Patrick R. Michaud)
URL
Free and Open Source
Yes
Yes
Yes
License
Ruby's
GPL
GPL2+
Programming Language
Ruby on Rails
PHP
PHP
Data Storage
Database
Database, Files, RCS
Files
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
general, education
Any
All
System Requirements Instiki PhpWiki PmWiki
Operating System
UNIX, Windows, MacOS X
UNIX, Windows, MacOS X, probably others
Linux, UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
Webserver
Thin (included), or Apache/NGinx (via Passenger)
Apache, IIS, anything with PHP support
Apache, IIS, anything with PHP support. Can also be run w/o a webserver.
Other Requirements
Ruby 2.0-2.6
various opt. helpers
none
Datastorage Instiki PhpWiki PmWiki
Text Files
No
Yes
Yes
MySQL
Yes
Yes
Plugin
PostgreSQL
Yes
Yes
No
Oracle
Plugin
Yes
No
SQLite
Yes
Yes
Plugin
BerkeleyDB
No
Yes
No
RCS
No
Yes
Plugin
Other
Any Rails-compatible back-end datastore can be used.
gdbm, cvs, MSSQL, ... (ADODB, PearDB)
Compressed, XML and/or ephemeral files (modules). Can provide custom data backends.
Security/Anti-Spam Instiki PhpWiki PmWiki
Page Permissions
Yes
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
db, session, pop, imap, ldap, file, webserver
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
Yes
No
Optional
Mail Encryption
Unknown
No
Optional
nofollow
Unknown
Yes
Yes
Blacklist
Yes
Yes
Optional
CAPTCHA
Unknown
Yes
Plugin
Delayed Indexing
Unknown
No
Optional
Development/Support Instiki PhpWiki PmWiki
# of Consultants
Preconfigured Hosting
No
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
#phpwiki
Stars on GitHub
478 ⭐
N/A
N/A
Common Features Instiki PhpWiki PmWiki
Preview
No
Yes
Yes
Minor Changes
Yes
Yes
Yes
Change Summary
No
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin System
No
Yes
Yes
Special Features Instiki PhpWiki PmWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Yes
No
Optional
Interface Languages
1
English
9
German, English, Spanish, French, Italian, Japanese, Dutch, Swedish, 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
Email notification
No
Yes
Optional
Comments
No
Plugin
Discussion Pages
Categories
Yes
Yes
Yes
Namespaces
No
No
Yes
Conflict Handling
Page Locking
Conflict Resolution
Conflict Resolution
Concurrent Editing
Unknown
Unknown
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
Yes
Structured Data
No
Patch
Yes
Links Instiki PhpWiki PmWiki
CamelCase
Optional
Yes
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Yes
Yes
SisterWiki
No
No
Plugin
Image Links
Yes
Yes
Yes
Windows Shares
No
Yes
Yes
Page Redirects
Yes
Yes
Yes
Syntax Features Instiki PhpWiki PmWiki
HTML Tags
All
Some
Plugin
Math formulas
Yes
Plugin
Plugin
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
No
No
Optional
Markdown Support
Yes
No
Plugin
Textile Support
Yes
No
No
BBCode Support
No
No
Plugin
Emoticon Images
No
No
Plugin
Syntax Highlighting
Yes
Plugin
Optional
Footnotes
Yes
Yes
Plugin
Quoting
Yes
Yes
Plugin
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
No
Yes
Scripting
None
plugins, templates, PHP
MarkupExpressions (core, many add-ons). PageLists with templates (core structured data scripting). WikiSh (plugin), Data forms (optional)
Content Includes
Yes
Yes
Yes
Feed Aggregation
No
Yes
Plugin
Usability Instiki PhpWiki PmWiki
Section Editing
No
No
Plugin
Page Templates
No
Yes
Yes
Double-Click Edit
No
Optional
Plugin
Toolbar
No
Yes
Optional
WYSIWYG Editing
No
Patch
Plugin
Access Keys
Yes
Yes
Yes
Auto Signature
Yes
Yes
Yes
Statistics Instiki PhpWiki PmWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Optional
Orphaned Pages
Yes
Yes
Optional
Most/Least Popular
No
Yes
No
Recent Visitors
No
Yes
Plugin
Analysis
No
Plugin
Plugin
Output Instiki PhpWiki PmWiki
Printer Friendly
Print View
Print CSS
Print View
Mobile Friendly
Yes
No
Yes
Themes & Skins
No
Yes
Yes
RSS Feeds
No
Yes
Optional
ATOM Feeds
Yes
No
Optional
Abbreviations
Yes
No
Plugin
Auto-TOC
Yes
Yes
Optional
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Plugin
XML export
No
No
Plugin
PDF Export
No
Yes
Plugin
Office Export
Unknown
Unknown
Plugin
Media and Files Instiki PhpWiki PmWiki
File Attachments
Yes
Yes
Optional
Media Revisions
No
Yes
Optional
Embedded Flash
No
Yes
Plugin
Embedded Video
Yes
Yes
Plugin
Image Editing
No
No
Plugin
SVG Editing
Yes
No
No
MindMap Editing
No
No
Plugin
Media Search
No
No
Filenames only
Extras Instiki PhpWiki PmWiki
Calendar
No
Yes
Plugin
Image Galleries
No
Yes
Plugin
Presentations
Unknown
Unknown
Plugin
Forums
No
Yes
Plugin
Blogs
No
Yes
Plugin
Ticket System
No
No
Plugin
Chat
Unknown
Unknown
No
Syntax Examples Instiki PhpWiki PmWiki
Internal Link
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
WikiWord or [somelink]
[ desc | pagename ]
[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]
External Link
[another site](http://example.com)
http://someserver/someurl
[ desc | exturl ]
http://....
[[http://... | link text]]
[[link text -> http://...]]
Headlines
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
!!!Headline1
!!Headline2
!Headline3
! Level 1
!! Level 2
!!! Level 3
Bold Format
**bold**
*bold* or
<strong>bold</strong>
'''bold'''
Italics Format
_italic_, *italic*
_italics_ or 
or
<em>italics</em>
''italic''
Underline Format
underlined
{: style='text-decoration:underlined'}
<u>underlined</u>
{+underlined+}
Monospace Format
`monospace`
<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>


@@monospace@@
Strikethrough Format
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
<strike>striked through</strike>
{-strikethrough-}
Superscript Format
<sup>superscript</sup>
<sup>above</sup>
'^superscript^'
Subscript Format
<sub>subscript</sub>
<sub>below</sub>
'_subscript_'
Images
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
[ http://foo.org/1.jpg size=30%] 
external image
[Upload:view.jpg align=right size=50x40] 
view uploaded image
[Upload:view.jpg | http://server/external-linkjpg ] 
view and link to another image
https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption
Aligning Text
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame
Text Indentation
p
{: style='margin-left:3em'}

> blockquote
;: left indent
;;: more left indent

or 
paragraph
and another level 
-> indented text
--> more indentation
-< hanging text
--< more indentation
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
* list
or
- list
* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2
Numbered Lists
1. Item 1
1. Item 1.1
2. Item 2
# list
# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2
Definition Lists
term
: definition
Term:<def>
def
: term : definition
Horizontal Rule
***
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remove Instiki remove PhpWiki remove PmWiki