ErfurtWiki vs. ikiwiki vs. Wikidot

General Features ErfurtWiki ikiwiki Wikidot
Version
R1.02b (kind of final release :-)
2.67
Last Release Date
2005-06-16 (20 years ago)
2008-10-17 (17 years ago)
Last Update here
2010-04-04 (16 years ago)
2008-10-28 (17 years ago)
2009-12-09 (16 years ago)
Author
Mario Salzer & Andi Fundinger
Joey Hess and the ikiwiki community
Michal Frackowiak
URL
Free and Open Source
Yes
Yes
Yes
License
Public Domain (!)
GPL
AGPLv3
Programming Language
PHP
Perl
Data Storage
Database, Files, RCS
Files, RCS
Database
License Cost/ Fee
0
0
Free / Paid Accounts (starts from $5 per month)
Development status
Mature
Mature
Mature
Intended Audience
small + medium sites, development teams
Anyone
companies, private users, social groups and communities, software developers, tech geeks
Hosting Features ErfurtWiki ikiwiki Wikidot
Storage Quota
N/A
N/A
1500MB for free users, more for Pro accounts
Bandwidth Quota
N/A
N/A
no limit
Other Limits
N/A
N/A
max uploaded file size limit
Topic Restrictions
N/A
N/A
by Terms Of Service
Corporate Branding
N/A
N/A
Yes
Own Domain
N/A
N/A
Yes
Ads allowed
N/A
N/A
Yes
System Requirements ErfurtWiki ikiwiki Wikidot
Operating System
any
Any
Root Access
No
No
No
Webserver
anything with PHP support
Any, or none
Other Requirements
none
Datastorage ErfurtWiki ikiwiki Wikidot
Text Files
Plugin
Yes
Unknown
MySQL
Plugin
No
Unknown
PostgreSQL
Plugin
No
Yes
Oracle
No
No
Unknown
SQLite
Plugin
No
Unknown
BerkeleyDB
Plugin
No
Unknown
RCS
Plugin
Yes
Unknown
Other
no
Security/Anti-Spam ErfurtWiki ikiwiki Wikidot
Page Permissions
Yes
Yes
Yes
ACL
Yes
Yes
Yes
Authentication Backends
UNIX, LDAP, MySQL, PHP, other
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
Plugin
Yes
Yes
Mail Encryption
Plugin
Yes
No
nofollow
Plugin
No
Yes
Blacklist
Plugin
Yes
Yes
CAPTCHA
Plugin
No
Yes
Delayed Indexing
Patch
No
Yes
Development/Support ErfurtWiki ikiwiki Wikidot
# of Consultants
Preconfigured Hosting
No
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
Stars on GitHub
N/A
N/A
N/A
Common Features ErfurtWiki ikiwiki Wikidot
Preview
Yes
Yes
Yes
Minor Changes
Plugin
No
Yes
Change Summary
Plugin
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Plugin
Plugin
Yes
Plugin System
Yes
Yes
No
Special Features ErfurtWiki ikiwiki Wikidot
Unicode Support
No
Yes
Yes
Right-to-Left Support
Patch
Yes
Yes
Interface Languages
4
German, English, Spanish, Dutch
1
English
2
English, Polish
Email notification
Plugin
Yes
Yes
Comments
Plugin
Discussion Pages
Threaded
Categories
Yes
Plugin
Yes
Namespaces
No
Yes
Yes
Conflict Handling
Page Locking
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Wiki Farming
Optional
Yes
Yes
Structured Data
No
Unknown
Yes
Links ErfurtWiki ikiwiki Wikidot
CamelCase
Yes
Plugin
No
Freelinks
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
InterWiki
Plugin
Plugin
Yes
SisterWiki
Plugin
Plugin
No
Image Links
Patch
Yes
Yes
Windows Shares
Yes
Yes
No
Page Redirects
Plugin
Unknown
Yes
Syntax Features ErfurtWiki ikiwiki Wikidot
HTML Tags
Plugin
Optional
None
Math formulas
No
Plugin
Yes
Tables
simple + complex
simple + complex
simple + complex
CREOLE support
Optional
No
No
Markdown Support
No
Yes
No
Textile Support
No
Plugin
No
BBCode Support
Plugin
No
No
Emoticon Images
Plugin
Plugin
No
Syntax Highlighting
Plugin
Plugin
Yes
Footnotes
Plugin
No
Yes
Quoting
Plugin
Yes
Yes
Internal Comments
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
Yes
Yes
No
Scripting
optional
safe subset of HTML::Template supported via template plugin
CSS styles, embeddable JavaScript, reporting language
Content Includes
Plugin
Plugin
Yes
Feed Aggregation
Plugin
Plugin
Yes
Usability ErfurtWiki ikiwiki Wikidot
Section Editing
No
No
Yes
Page Templates
Yes
Yes
Yes
Double-Click Edit
Patch
No
No
Toolbar
No
No
Yes
WYSIWYG Editing
No
No
No
Access Keys
Optional
No
Yes
Auto Signature
No
No
Yes
Statistics ErfurtWiki ikiwiki Wikidot
Recent Changes
Plugin
Yes
Yes
Wanted Pages
Plugin
Plugin
Yes
Orphaned Pages
Plugin
Plugin
Yes
Most/Least Popular
Plugin
No
No
Recent Visitors
Optional
No
No
Analysis
No
No
Yes
Output ErfurtWiki ikiwiki Wikidot
Printer Friendly
Print CSS
Print CSS
Print View
Mobile Friendly
Yes
Yes
Optional
Themes & Skins
Yes
Yes
Yes
RSS Feeds
Plugin
Plugin
Yes
ATOM Feeds
Plugin
Plugin
No
Abbreviations
Optional
No
No
Auto-TOC
Plugin
Plugin
Yes
Raw Export
Yes
Yes
Yes
HTML Export
Yes
Yes
No
XML export
Optional
No
No
PDF Export
Optional
No
No
Office Export
Unknown
Unknown
Unknown
Media and Files ErfurtWiki ikiwiki Wikidot
File Attachments
Plugin
Yes
Yes
Media Revisions
No
Yes
No
Embedded Flash
Plugin
Optional
Yes
Embedded Video
Plugin
Optional
Yes
Image Editing
No
No
No
SVG Editing
No
No
No
MindMap Editing
No
No
No
Media Search
No
Filenames only
No
Extras ErfurtWiki ikiwiki Wikidot
Calendar
Plugin
Plugin
Optional
Image Galleries
Plugin
Plugin
Yes
Presentations
Unknown
Unknown
Unknown
Forums
No
Unknown
Yes
Blogs
Yes
Yes
Yes
Ticket System
No
Yes
Yes
Chat
Unknown
Unknown
Unknown
Syntax Examples ErfurtWiki ikiwiki Wikidot
Internal Link
WikiPage
[WikiPage | Go here]
[[internal]]
[[[page-name]]] or
[[[page-name|anchor]]]
External Link
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
[link text](http://example.org)
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
Headlines
!!! Big Headline
!! Medium Headline
! Section Headline
Two syntaxes:

# heading 1
## heading 2
### heading 3

heading 1
=========

heading 2
---------
+++ headline level 3
Bold Format
__bold text__
**bold text**
**bold**
__bold__
**bold text**
Italics Format
''ialic text''
*emphasized*
_emphasized_
//italic text//
Underline Format
optional or via css
via HTML: <u>underlined</u>
__underlined text__
Monospace Format
==monospaced text==
`inline monospace`

indented block of
monospaced text

tab-indented
block
{{monospaced text}}
Strikethrough Format
optional or via css
via HTML: <del>deleted</del>
--strikethrough text--
Superscript Format
^^superscript text^^
via HTML: x<sup>2</sup>
^^superscript^^
Subscript Format
optional or via css
via HTML: a<sub>1</sub>
,,subscript,,
Images
[link to the image.jpg]
![alt text](internal/image)
![alt text](http://example.org/external/image)
[[image src="..."]]
Aligning Text
optional or via css
= Centered line
Text Indentation
just use 3 spaces or tabs
indented text
> First level of indentation
>> Second level of indentation.
Bulleted Lists
* Item A
* Item B
** Item B1
* item 1
* item 2
* item 2.1
* item 2.2
* element 1
* element 2
Numbered Lists
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
# element 1
# element 1
Definition Lists
:definition: explanation
:anotherdef: another description
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
: item : description
Horizontal Rule
----
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
remove ErfurtWiki remove ikiwiki remove Wikidot