ErfurtWiki vs. DokuWiki vs. Instiki vs. WikkaWiki vs. PhpWiki

General Features ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Version
R1.02b (kind of final release :-)
2025-05-14b "Librarian"
0.30.0
1.4.2
phpwiki-1.3.14
Last Release Date
2005-06-16 (21 years ago)
2025-09-09 (11 months ago)
2019-03-01 (7 years ago)
2020-04-20 (6 years ago)
2007-07-01 (19 years ago)
Last Update here
2010-04-04 (16 years ago)
2026-03-25 (4 months ago)
2019-03-04 (7 years ago)
2020-04-20 (6 years ago)
2009-04-03 (17 years ago)
Author
Mario Salzer & Andi Fundinger
Andreas Gohr
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Wikka Development Team
Steve Wainstead, Jeff Dairiki, Reini Urban, Carsten Klapp, Marc-Etienne Vargenau
URL
Free and Open Source
Yes
Yes
Yes
Yes
Yes
License
Public Domain (!)
GPL 2
Ruby's
GPL
GPL
Programming Language
PHP
PHP
Ruby on Rails
PHP
PHP
Data Storage
Database, Files, RCS
Files
Database
Database
Database, Files, RCS
License Cost/ Fee
0
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Mature
Intended Audience
small + medium sites, development teams
personal, small to medium companies
general, education
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
Any
System Requirements ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Operating System
any
Linux, UNIX, Windows, MacOS X, probably others
UNIX, Windows, MacOS X
any (platform-independent)
UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
No
No
Webserver
anything with PHP support
Apache, IIS, Nginx, Lighttpd, anything with PHP support
Thin (included), or Apache/NGinx (via Passenger)
any server with PHP/MySQL support
Apache, IIS, anything with PHP support
Other Requirements
none
Ruby 2.0-2.6
mod_rewrite (optional)
various opt. helpers
Datastorage ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Text Files
Plugin
Yes
No
No
Yes
MySQL
Plugin
No
Yes
Yes
Yes
PostgreSQL
Plugin
No
Yes
No
Yes
Oracle
No
No
Plugin
No
Yes
SQLite
Plugin
No
Yes
Yes
Yes
BerkeleyDB
Plugin
No
No
No
Yes
RCS
Plugin
No
No
No
Yes
Other
no
None
Any Rails-compatible back-end datastore can be used.
No
gdbm, cvs, MSSQL, ... (ADODB, PearDB)
Security/Anti-Spam ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Page Permissions
Yes
Yes
Yes
Yes
Yes
ACL
Yes
Yes
No
Yes
Yes
Authentication Backends
UNIX, LDAP, MySQL, PHP, other
Textfile, LDAP, MySQL, PostgreSQL, ActiveDirectory
Active Directory (patch)
db, session, pop, imap, ldap, file, webserver
Host Blocking
Plugin
Plugin
Yes
Yes
No
Mail Encryption
Plugin
Optional
Unknown
No
No
nofollow
Plugin
Optional
Unknown
Yes
Yes
Blacklist
Plugin
Optional
Yes
Yes
Yes
CAPTCHA
Plugin
Plugin
Unknown
Plugin
Yes
Delayed Indexing
Patch
Optional
Unknown
No
No
Development/Support ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
# of Consultants
Preconfigured Hosting
No
Yes
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
#phpwiki
Stars on GitHub
N/A
4707 ⭐
508 ⭐
42 ⭐
N/A
Common Features ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Preview
Yes
Yes
No
Yes
Yes
Minor Changes
Plugin
Yes
Yes
No
Yes
Change Summary
Plugin
Yes
No
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
Plugin
Yes
Yes
Yes
Yes
Plugin System
Yes
Yes
No
Yes
Yes
Special Features ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Unicode Support
No
Yes
Yes
Yes
Yes
Right-to-Left Support
Patch
Yes
Yes
Yes
No
Interface Languages
4
German, English, Spanish, Dutch
68
Afrikaans, Arabic, Azerbaijani, Byelorussian, Bulgarian, Bengali; Bangla, Catalan, Czech, Welsh, Danish, German, Greek, English, Esperanto, Spanish, Estonian, Basque, Persian, Finnish, Faroese, French, Frisian, Galician, Hebrew, Hindi, Croatian, Hungarian, Interlingua, Indonesian, Icelandic, Italian, Japanese, Georgian, Kazakh, Cambodian, Kannada, Korean, Kurdish, Latin, Lithuanian, Latvian, Lettish, Malagasy, Macedonian, Malayalam, Marathi, Malay, Nepali, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Albanian, Serbian, Swedish, Tamil, Thai, Turkish, Ukrainian, Uzbek, Vietnamese, Chinese, Chinese Traditional
1
English
0
9
German, English, Spanish, French, Italian, Japanese, Dutch, Swedish, Chinese Traditional
Email notification
Plugin
Optional
No
Patch
Yes
Comments
Plugin
Plugin
No
Threaded
Plugin
Categories
Yes
Plugin
Yes
Yes
Yes
Namespaces
No
Yes
No
No
No
Conflict Handling
Page Locking
Page Locking
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
Unknown
No
Unknown
Yes
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Optional
Plugin
Yes
No
Yes
Structured Data
No
Plugin
No
Plugin
Patch
Links ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
CamelCase
Yes
Optional
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Patch
Yes
Backlinks
Yes
Yes
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
Yes
Yes
SisterWiki
Plugin
No
No
No
No
Image Links
Patch
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
No
No
Yes
Page Redirects
Plugin
Plugin
Yes
Patch
Yes
Syntax Features ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
HTML Tags
Plugin
Optional
All
Some
Some
Math formulas
No
Plugin
Yes
Plugin
Plugin
Tables
simple + complex
simple
simple + complex
simple + complex
simple + complex
CREOLE support
Optional
Plugin
No
No
No
Markdown Support
No
Plugin
Yes
No
No
Textile Support
No
Plugin
Yes
No
No
BBCode Support
Plugin
Plugin
No
No
No
Emoticon Images
Plugin
Yes
No
No
No
Syntax Highlighting
Plugin
Yes
Yes
Yes
Plugin
Footnotes
Plugin
Yes
Yes
Plugin
Yes
Quoting
Plugin
Yes
Yes
Yes
Yes
Internal Comments
Yes
Plugin
Yes
Yes
Yes
Custom styles
Yes
Plugin
Yes
Yes
Yes
FAQ Tags
Yes
Plugin
No
No
No
Scripting
optional
Optional, PHP
None
Extensibility through drop-in plugins
plugins, templates, PHP
Content Includes
Plugin
Plugin
Yes
Yes
Yes
Feed Aggregation
Plugin
Yes
No
Yes
Yes
Usability ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Section Editing
No
Yes
No
No
No
Page Templates
Yes
Yes
No
Yes
Yes
Double-Click Edit
Patch
Plugin
No
Yes
Optional
Toolbar
No
Yes
No
Yes
Yes
WYSIWYG Editing
No
Plugin
No
Plugin
Patch
Access Keys
Optional
Yes
Yes
Patch
Yes
Auto Signature
No
Yes
Yes
Patch
Yes
Statistics ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Recent Changes
Plugin
Yes
Yes
Yes
Yes
Wanted Pages
Plugin
Plugin
Yes
Yes
Yes
Orphaned Pages
Plugin
Plugin
Yes
Yes
Yes
Most/Least Popular
Plugin
Plugin
No
Patch
Yes
Recent Visitors
Optional
Plugin
No
Patch
Yes
Analysis
No
Plugin
No
Yes
Plugin
Output ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Printer Friendly
Print CSS
Print CSS
Print View
Print CSS
Print CSS
Mobile Friendly
Yes
Yes
Yes
Unknown
No
Themes & Skins
Yes
Yes
No
Yes
Yes
RSS Feeds
Plugin
Yes
No
Yes
Yes
ATOM Feeds
Plugin
Yes
Yes
Plugin
No
Abbreviations
Optional
Yes
Yes
Patch
No
Auto-TOC
Plugin
Yes
Yes
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
Yes
XML export
Optional
No
No
Patch
No
PDF Export
Optional
Plugin
No
No
Yes
Office Export
Unknown
Plugin
Unknown
No
Unknown
Media and Files ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
File Attachments
Plugin
Yes
Yes
Yes
Yes
Media Revisions
No
Yes
No
No
Yes
Embedded Flash
Plugin
Yes
No
Yes
Yes
Embedded Video
Plugin
Yes
Yes
No
Yes
Image Editing
No
No
No
No
No
SVG Editing
No
Plugin
Yes
No
No
MindMap Editing
No
Plugin
No
Yes
No
Media Search
No
Filenames only
No
No
No
Extras ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Calendar
Plugin
Plugin
No
Plugin
Yes
Image Galleries
Plugin
Plugin
No
Plugin
Yes
Presentations
Unknown
Plugin
Unknown
No
Unknown
Forums
No
No
No
No
Yes
Blogs
Yes
Plugin
No
Plugin
Yes
Ticket System
No
Plugin
No
No
No
Chat
Unknown
No
Unknown
No
Unknown
Syntax Examples ErfurtWiki DokuWiki Instiki WikkaWiki PhpWiki
Internal Link
WikiPage
[WikiPage | Go here]
[[a Link]]
[[namespace:link]]
[[link|With a Title]]
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
WikiWord or [somelink]
[ desc | pagename ]
External Link
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
[[http://example.com]]
[[http://example.com|With a Title]]
[another site](http://example.com)
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
http://someserver/someurl
[ desc | exturl ]
Headlines
!!! Big Headline
!! Medium Headline
! Section Headline
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
!!!Headline1
!!Headline2
!Headline3
Bold Format
__bold text__
**bold text**
**bold**
**bold**
**bold**
*bold* or
<strong>bold</strong>
Italics Format
''ialic text''
//italics//
_italic_, *italic*
//italic//
_italics_ or 
or
<em>italics</em>
Underline Format
optional or via css
__underlined__
underlined
{: style='text-decoration:underlined'}
__underlined__
<u>underlined</u>
Monospace Format
==monospaced text==
''monospace''
`monospace`
##monospaced##
<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>


Strikethrough Format
optional or via css
<del>strikethrough</del>
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
++Strike through text++
<strike>striked through</strike>
Superscript Format
^^superscript text^^
<sup>superscript</sup>
<sup>superscript</sup>
""<sup>Superscript</sup>""
<sup>above</sup>
Subscript Format
optional or via css
<sub>subscript</sub>
<sub>subscript</sub>
""<sub>Subscript</sub>""
<sub>below</sub>
Images
[link to the image.jpg]
{{local.jpg}}
{{http://foo.bar/baz.jpg}}
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
[ 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
Aligning Text
optional or via css
Plugin
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
@@Center text@@
<<left floated<<
>>right floated>>
<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

Text Indentation
just use 3 spaces or tabs
indented text
N/A
p
{: style='margin-left:3em'}

> blockquote
(4 spaces or a ~ can replace a tab)
indented
~indented
;: left indent
;;: more left indent

or 
paragraph
and another level 
Bulleted Lists
* Item A
* Item B
** Item B1
* item 1
* item 1.1
* item 2
* Item 1
** Item 1.1
* Item 2
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
* list
or
- list
Numbered Lists
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

- item 1
- item 1.1
- item 2
1. Item 1
1. Item 1.1
2. Item 2
(4 spaces or a ~ can replace a tab)

~1) Item 1
~~1) Item 1.1
~1) Item 2

(more options for lists are available)
# list
Definition Lists
:definition: explanation
:anotherdef: another description
Plugin
term
: definition
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Term:<def>
def
Horizontal Rule
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remove ErfurtWiki remove DokuWiki remove Instiki remove WikkaWiki remove PhpWiki