WackoWiki vs. ErfurtWiki vs. Instiki vs. PhpWiki

General Features WackoWiki ErfurtWiki Instiki PhpWiki
Version
6.2.0
R1.02b (kind of final release :-)
0.30.0
phpwiki-1.3.14
Last Release Date
2025-12-14 (1 month ago)
2005-06-16 (20 years ago)
2019-03-01 (6 years ago)
2007-07-01 (18 years ago)
Last Update here
2025-12-13 (1 month ago)
2010-04-04 (15 years ago)
2019-03-04 (6 years ago)
2009-04-03 (16 years ago)
Author
WackoWiki Team
Mario Salzer & Andi Fundinger
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
Steve Wainstead, Jeff Dairiki, Reini Urban, Carsten Klapp, Marc-Etienne Vargenau
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
Public Domain (!)
Ruby's
GPL
Programming Language
PHP
PHP
Ruby on Rails
PHP
Data Storage
Database
Database, Files, RCS
Database
Database, Files, RCS
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
small + medium sites, development teams
general, education
Any
System Requirements WackoWiki ErfurtWiki Instiki PhpWiki
Operating System
OS Independent
any
UNIX, Windows, MacOS X
UNIX, Windows, MacOS X, probably others
Root Access
No
No
No
No
Webserver
run with the appserver/webserver of your choice
anything with PHP support
Thin (included), or Apache/NGinx (via Passenger)
Apache, IIS, anything with PHP support
Other Requirements
mod_rewrite (optional)
none
Ruby 2.0-2.6
various opt. helpers
Datastorage WackoWiki ErfurtWiki Instiki PhpWiki
Text Files
No
Plugin
No
Yes
MySQL
Yes
Plugin
Yes
Yes
PostgreSQL
No
Plugin
Yes
Yes
Oracle
No
No
Plugin
Yes
SQLite
Yes
Plugin
Yes
Yes
BerkeleyDB
No
Plugin
No
Yes
RCS
No
Plugin
No
Yes
Other
MariaDB
no
Any Rails-compatible back-end datastore can be used.
gdbm, cvs, MSSQL, ... (ADODB, PearDB)
Security/Anti-Spam WackoWiki ErfurtWiki Instiki PhpWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
No
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
UNIX, LDAP, MySQL, PHP, other
db, session, pop, imap, ldap, file, webserver
Host Blocking
Optional
Plugin
Yes
No
Mail Encryption
Optional
Plugin
Unknown
No
nofollow
Optional
Plugin
Unknown
Yes
Blacklist
Yes
Plugin
Yes
Yes
CAPTCHA
Yes
Plugin
Unknown
Yes
Delayed Indexing
No
Patch
Unknown
No
Development/Support WackoWiki ErfurtWiki Instiki PhpWiki
# of Consultants
Preconfigured Hosting
Yes
No
No
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
#phpwiki
Stars on GitHub
54 ⭐
N/A
510 ⭐
N/A
Common Features WackoWiki ErfurtWiki Instiki PhpWiki
Preview
Yes
Yes
No
Yes
Minor Changes
Yes
Plugin
Yes
Yes
Change Summary
Yes
Plugin
No
Yes
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Yes
Plugin System
Yes
Yes
No
Yes
Special Features WackoWiki ErfurtWiki Instiki PhpWiki
Unicode Support
Yes
No
Yes
Yes
Right-to-Left Support
Yes
Patch
Yes
No
Interface Languages
30
Arabic, Bulgarian, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Swedish, Tamil, Ukrainian, Chinese, Chinese Traditional
4
German, English, Spanish, Dutch
1
English
9
German, English, Spanish, French, Italian, Japanese, Dutch, Swedish, Chinese Traditional
Email notification
Yes
Plugin
No
Yes
Comments
Flat
Plugin
No
Plugin
Categories
Yes
Yes
Yes
Yes
Namespaces
Yes
No
No
No
Conflict Handling
Page Locking
Page Locking
Page Locking
Conflict Resolution
Concurrent Editing
No
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Patch
Optional
Yes
Yes
Structured Data
Plugin
No
No
Patch
Links WackoWiki ErfurtWiki Instiki PhpWiki
CamelCase
Optional
Yes
Optional
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Plugin
Yes
Yes
SisterWiki
No
Plugin
No
No
Image Links
Yes
Patch
Yes
Yes
Windows Shares
Yes
Yes
No
Yes
Page Redirects
Yes
Plugin
Yes
Yes
Syntax Features WackoWiki ErfurtWiki Instiki PhpWiki
HTML Tags
All
Plugin
All
Some
Math formulas
Plugin
No
Yes
Plugin
Tables
simple
simple + complex
simple + complex
simple + complex
CREOLE support
No
Optional
No
No
Markdown Support
No
No
Yes
No
Textile Support
No
No
Yes
No
BBCode Support
Patch
Plugin
No
No
Emoticon Images
Yes
Plugin
No
No
Syntax Highlighting
Yes
Plugin
Yes
Plugin
Footnotes
Yes
Plugin
Yes
Yes
Quoting
Yes
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Yes
No
No
Scripting
actions (PHP)
optional
None
plugins, templates, PHP
Content Includes
Yes
Plugin
Yes
Yes
Feed Aggregation
Yes
Plugin
No
Yes
Usability WackoWiki ErfurtWiki Instiki PhpWiki
Section Editing
Yes
No
No
No
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
Yes
Patch
No
Optional
Toolbar
Yes
No
No
Yes
WYSIWYG Editing
Plugin
No
No
Patch
Access Keys
Yes
Optional
Yes
Yes
Auto Signature
Yes
No
Yes
Yes
Statistics WackoWiki ErfurtWiki Instiki PhpWiki
Recent Changes
Yes
Plugin
Yes
Yes
Wanted Pages
Yes
Plugin
Yes
Yes
Orphaned Pages
Yes
Plugin
Yes
Yes
Most/Least Popular
Yes
Plugin
No
Yes
Recent Visitors
Yes
Optional
No
Yes
Analysis
Plugin
No
No
Plugin
Output WackoWiki ErfurtWiki Instiki PhpWiki
Printer Friendly
Print View
Print CSS
Print View
Print CSS
Mobile Friendly
Yes
Yes
Yes
No
Themes & Skins
Yes
Yes
No
Yes
RSS Feeds
Yes
Plugin
No
Yes
ATOM Feeds
No
Plugin
Yes
No
Abbreviations
Patch
Optional
Yes
No
Auto-TOC
Yes
Plugin
Yes
Yes
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
XML export
Yes
Optional
No
No
PDF Export
Patch
Optional
No
Yes
Office Export
Patch
Unknown
Unknown
Unknown
Media and Files WackoWiki ErfurtWiki Instiki PhpWiki
File Attachments
Yes
Plugin
Yes
Yes
Media Revisions
No
No
No
Yes
Embedded Flash
Yes
Plugin
No
Yes
Embedded Video
Yes
Plugin
Yes
Yes
Image Editing
No
No
No
No
SVG Editing
No
No
Yes
No
MindMap Editing
Plugin
No
No
No
Media Search
Contents
No
No
No
Extras WackoWiki ErfurtWiki Instiki PhpWiki
Calendar
Plugin
Plugin
No
Yes
Image Galleries
Plugin
Plugin
No
Yes
Presentations
Plugin
Unknown
Unknown
Unknown
Forums
Optional
No
No
Yes
Blogs
Optional
Yes
No
Yes
Ticket System
No
No
No
No
Chat
Patch
Unknown
Unknown
Unknown
Syntax Examples WackoWiki ErfurtWiki Instiki PhpWiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiPage
[WikiPage | Go here]
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
WikiWord or [somelink]
[ desc | pagename ]
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
[another site](http://example.com)
http://someserver/someurl
[ desc | exturl ]
Headlines
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
!!! Big Headline
!! Medium Headline
! Section Headline
#Level 1#
##Level 2##
###Level 3###
####Level 4####
#####Level 5#####
######Level 6######
!!!Headline1
!!Headline2
!Headline3
Bold Format
**bold**
__bold text__
**bold text**
**bold**
*bold* or
<strong>bold</strong>
Italics Format
//italics//
''ialic text''
_italic_, *italic*
_italics_ or 
or
<em>italics</em>
Underline Format
__underline__
optional or via css
underlined
{: style='text-decoration:underlined'}
<u>underlined</u>
Monospace Format
##monospace##
==monospaced text==
`monospace`
<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>


Strikethrough Format
--strikethrough--
optional or via css
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
<strike>striked through</strike>
Superscript Format
^^superscript^^
^^superscript text^^
<sup>superscript</sup>
<sup>above</sup>
Subscript Format
vvsubscriptvv
optional or via css
<sub>subscript</sub>
<sub>below</sub>
Images
((image.png))
file:image.png
https://example.com/image.png
[link to the image.jpg]
![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
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
optional or via css
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>

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

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

or 
paragraph
and another level 
Bulleted Lists
*one
**One-two
*two
*three
* Item A
* Item B
** Item B1
* Item 1
** Item 1.1
* Item 2
* list
or
- list
Numbered Lists
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

1. Item 1
1. Item 1.1
2. Item 2
# list
Definition Lists
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
:definition: explanation
:anotherdef: another description
term
: definition
Term:<def>
def
Horizontal Rule
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remove WackoWiki remove ErfurtWiki remove Instiki remove PhpWiki