ErfurtWiki vs. WackoWiki vs. Instiki

General Features ErfurtWiki WackoWiki Instiki
Version
R1.02b (kind of final release :-)
6.2.1
0.30.0
Last Release Date
2005-06-16 (20 years ago)
2026-03-03 (13 days ago)
2019-03-01 (7 years ago)
Last Update here
2010-04-04 (15 years ago)
2026-03-03 (13 days ago)
2019-03-04 (7 years ago)
Author
Mario Salzer & Andi Fundinger
WackoWiki Team
David Heinemeier Hansson, Jacques Distler, Matthias Tarasiewicz
URL
Free and Open Source
Yes
Yes
Yes
License
Public Domain (!)
BSD
Ruby's
Programming Language
PHP
PHP
Ruby on Rails
Data Storage
Database, Files, RCS
Database
Database
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
small + medium sites, development teams
Advanced End Users, Developers, End Users/Desktop
general, education
System Requirements ErfurtWiki WackoWiki Instiki
Operating System
any
OS Independent
UNIX, Windows, MacOS X
Root Access
No
No
No
Webserver
anything with PHP support
run with the appserver/webserver of your choice
Thin (included), or Apache/NGinx (via Passenger)
Other Requirements
none
mod_rewrite (optional)
Ruby 2.0-2.6
Datastorage ErfurtWiki WackoWiki Instiki
Text Files
Plugin
No
No
MySQL
Plugin
Yes
Yes
PostgreSQL
Plugin
No
Yes
Oracle
No
No
Plugin
SQLite
Plugin
Yes
Yes
BerkeleyDB
Plugin
No
No
RCS
Plugin
No
No
Other
no
MariaDB
Any Rails-compatible back-end datastore can be used.
Security/Anti-Spam ErfurtWiki WackoWiki Instiki
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
No
Authentication Backends
UNIX, LDAP, MySQL, PHP, other
LDAP (patch), ActiveDirectory
Host Blocking
Plugin
Optional
Yes
Mail Encryption
Plugin
Optional
Unknown
nofollow
Plugin
Optional
Unknown
Blacklist
Plugin
Yes
Yes
CAPTCHA
Plugin
Yes
Unknown
Delayed Indexing
Patch
No
Unknown
Development/Support ErfurtWiki WackoWiki Instiki
# of Consultants
Preconfigured Hosting
No
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
Stars on GitHub
N/A
56 ⭐
506 ⭐
Common Features ErfurtWiki WackoWiki Instiki
Preview
Yes
Yes
No
Minor Changes
Plugin
Yes
Yes
Change Summary
Plugin
Yes
No
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Plugin
Yes
Yes
Plugin System
Yes
Yes
No
Special Features ErfurtWiki WackoWiki Instiki
Unicode Support
No
Yes
Yes
Right-to-Left Support
Patch
Yes
Yes
Interface Languages
4
German, English, Spanish, Dutch
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
1
English
Email notification
Plugin
Yes
No
Comments
Plugin
Flat
No
Categories
Yes
Yes
Yes
Namespaces
No
Yes
No
Conflict Handling
Page Locking
Page Locking
Page Locking
Concurrent Editing
Unknown
No
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Optional
Patch
Yes
Structured Data
No
Plugin
No
Links ErfurtWiki WackoWiki Instiki
CamelCase
Yes
Optional
Optional
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
SisterWiki
Plugin
No
No
Image Links
Patch
Yes
Yes
Windows Shares
Yes
Yes
No
Page Redirects
Plugin
Yes
Yes
Syntax Features ErfurtWiki WackoWiki Instiki
HTML Tags
Plugin
All
All
Math formulas
No
Plugin
Yes
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
Optional
No
No
Markdown Support
No
No
Yes
Textile Support
No
No
Yes
BBCode Support
Plugin
Patch
No
Emoticon Images
Plugin
Yes
No
Syntax Highlighting
Plugin
Yes
Yes
Footnotes
Plugin
Yes
Yes
Quoting
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
No
No
Scripting
optional
actions (PHP)
None
Content Includes
Plugin
Yes
Yes
Feed Aggregation
Plugin
Yes
No
Usability ErfurtWiki WackoWiki Instiki
Section Editing
No
Yes
No
Page Templates
Yes
Yes
No
Double-Click Edit
Patch
Yes
No
Toolbar
No
Yes
No
WYSIWYG Editing
No
Plugin
No
Access Keys
Optional
Yes
Yes
Auto Signature
No
Yes
Yes
Statistics ErfurtWiki WackoWiki Instiki
Recent Changes
Plugin
Yes
Yes
Wanted Pages
Plugin
Yes
Yes
Orphaned Pages
Plugin
Yes
Yes
Most/Least Popular
Plugin
Yes
No
Recent Visitors
Optional
Yes
No
Analysis
No
Plugin
No
Output ErfurtWiki WackoWiki Instiki
Printer Friendly
Print CSS
Print View
Print View
Mobile Friendly
Yes
Yes
Yes
Themes & Skins
Yes
Yes
No
RSS Feeds
Plugin
Yes
No
ATOM Feeds
Plugin
No
Yes
Abbreviations
Optional
Patch
Yes
Auto-TOC
Plugin
Yes
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
XML export
Optional
Yes
No
PDF Export
Optional
Patch
No
Office Export
Unknown
Patch
Unknown
Media and Files ErfurtWiki WackoWiki Instiki
File Attachments
Plugin
Yes
Yes
Media Revisions
No
No
No
Embedded Flash
Plugin
Yes
No
Embedded Video
Plugin
Yes
Yes
Image Editing
No
No
No
SVG Editing
No
No
Yes
MindMap Editing
No
Plugin
No
Media Search
No
Contents
No
Extras ErfurtWiki WackoWiki Instiki
Calendar
Plugin
Plugin
No
Image Galleries
Plugin
Plugin
No
Presentations
Unknown
Plugin
Unknown
Forums
No
Optional
No
Blogs
Yes
Optional
No
Ticket System
No
No
No
Chat
Unknown
Patch
Unknown
Syntax Examples ErfurtWiki WackoWiki Instiki
Internal Link 
WikiPage
[WikiPage | Go here]

[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
 
[[Some Page]]
[[Some Page|anchor text]]
[[Some Page#anchor]]
[[Some Page#anchor|anchor text]]
External Link 
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
 
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
 
[another site](http://example.com)
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######
Bold Format 
__bold text__
**bold text**

**bold**
 
**bold**
Italics Format 
''ialic text''
 
//italics//
 
_italic_, *italic*
Underline Format 
optional or via css
 
__underline__
 
underlined
{: style='text-decoration:underlined'}
Monospace Format 
==monospaced text==
 
##monospace##
 
`monospace`
Strikethrough Format 
optional or via css
 
--strikethrough--
 
<del>strikethrough</del>
strikethrough
{: style='text-decoration:line-through'}
Superscript Format 
^^superscript text^^
 
^^superscript^^
 
<sup>superscript</sup>
Subscript Format 
optional or via css

,,subscript,,
 
<sub>subscript</sub>
Images 
[link to the image.jpg]

((image.png))
file:image.png
https://example.com/image.png
 
![alt text](http://ex.com/image.jpg),
[[image.jpg|alt text:pic]]
Aligning Text 
optional or via css
 
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
 
p{: style='text-align:left'}
p{: style='text-align:right'}
p{: style='text-align:center'}
p{: style='text-align:justify'}
Text Indentation 
just use 3 spaces or tabs
indented text
 
one
two
 
p
{: style='margin-left:3em'}

> blockquote
Bulleted Lists 
* Item A
* Item B
** Item B1

*one
**One-two
*two
*three

* Item 1
** Item 1.1
* Item 2
Numbered Lists 
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b


1. numbered List
1. numbered List-2
2.#8 numbered List, with break



1. Item 1
1. Item 1.1
2. Item 2
Definition Lists 
:definition: explanation
:anotherdef: another description

{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
 
term
: definition
Horizontal Rule 
----
 
----
 
***
remove ErfurtWiki remove WackoWiki remove Instiki