ikiwiki vs. WackoWiki vs. Friki vs. ErfurtWiki

General Features ikiwiki WackoWiki Friki ErfurtWiki
Version
2.67
6.2.0
2.1.1
R1.02b (kind of final release :-)
Last Release Date
2008-10-17 (17 years ago)
2025-12-14 (29 days ago)
2004-05-14 (21 years ago)
2005-06-16 (20 years ago)
Last Update here
2008-10-28 (17 years ago)
2025-12-13 (30 days ago)
2006-02-14 (19 years ago)
2010-04-04 (15 years ago)
Author
Joey Hess and the ikiwiki community
WackoWiki Team
Frank Carver
Mario Salzer & Andi Fundinger
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL
BSD
ASL or LGPL
Public Domain (!)
Programming Language
Perl
PHP
Java
PHP
Data Storage
Files, RCS
Database
Files
Database, Files, RCS
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Anyone
Advanced End Users, Developers, End Users/Desktop
private users and small teams
small + medium sites, development teams
System Requirements ikiwiki WackoWiki Friki ErfurtWiki
Operating System
Any
OS Independent
Any that can run Java 1.3 or later
any
Root Access
No
No
No
No
Webserver
Any, or none
run with the appserver/webserver of your choice
Any that can run or call Java
anything with PHP support
Other Requirements
mod_rewrite (optional)
Java 1.3 or later
none
Datastorage ikiwiki WackoWiki Friki ErfurtWiki
Text Files
Yes
No
Yes
Plugin
MySQL
No
Yes
No
Plugin
PostgreSQL
No
No
No
Plugin
Oracle
No
No
No
No
SQLite
No
Yes
No
Plugin
BerkeleyDB
No
No
No
Plugin
RCS
Yes
No
No
Plugin
Other
MariaDB
no
Security/Anti-Spam ikiwiki WackoWiki Friki ErfurtWiki
Page Permissions
Yes
Yes
No
Yes
ACL
Yes
Yes
No
Yes
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
LDAP (patch), ActiveDirectory
UNIX, LDAP, MySQL, PHP, other
Host Blocking
Yes
Optional
Patch
Plugin
Mail Encryption
Yes
Optional
No
Plugin
nofollow
No
Optional
Optional
Plugin
Blacklist
Yes
Yes
No
Plugin
CAPTCHA
No
Yes
No
Plugin
Delayed Indexing
No
No
No
Patch
Development/Support ikiwiki WackoWiki Friki ErfurtWiki
# of Consultants
Preconfigured Hosting
No
Yes
No
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
not yet :-)
Stars on GitHub
N/A
54 ⭐
N/A
N/A
Common Features ikiwiki WackoWiki Friki ErfurtWiki
Preview
Yes
Yes
No
Yes
Minor Changes
No
Yes
No
Plugin
Change Summary
Yes
Yes
No
Plugin
Page History
Yes
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Plugin
Yes
Yes
Plugin
Plugin System
Yes
Yes
No
Yes
Special Features ikiwiki WackoWiki Friki ErfurtWiki
Unicode Support
Yes
Yes
Yes
No
Right-to-Left Support
Yes
Yes
Unknown
Patch
Interface Languages
1
English
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
0
4
German, English, Spanish, Dutch
Email notification
Yes
Yes
No
Plugin
Comments
Discussion Pages
Flat
No
Plugin
Categories
Plugin
Yes
Unknown
Yes
Namespaces
Yes
Yes
Unknown
No
Conflict Handling
Conflict Resolution
Page Locking
None
Page Locking
Concurrent Editing
Unknown
No
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Unknown
Optional
Structured Data
Unknown
Plugin
Unknown
No
Links ikiwiki WackoWiki Friki ErfurtWiki
CamelCase
Plugin
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Plugin
Yes
Yes
Plugin
SisterWiki
Plugin
No
No
Plugin
Image Links
Yes
Yes
Optional
Patch
Windows Shares
Yes
Yes
No
Yes
Page Redirects
Unknown
Yes
Unknown
Plugin
Syntax Features ikiwiki WackoWiki Friki ErfurtWiki
HTML Tags
Optional
All
None
Plugin
Math formulas
Plugin
Plugin
No
No
Tables
simple + complex
simple
complex
simple + complex
CREOLE support
No
No
Unknown
Optional
Markdown Support
Yes
No
Optional
No
Textile Support
Plugin
No
Optional
No
BBCode Support
No
Patch
Optional
Plugin
Emoticon Images
Plugin
Yes
Optional
Plugin
Syntax Highlighting
Plugin
Yes
Optional
Plugin
Footnotes
No
Yes
No
Plugin
Quoting
Yes
Yes
No
Plugin
Internal Comments
Yes
Yes
No
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Yes
No
No
Yes
Scripting
safe subset of HTML::Template supported via template plugin
actions (PHP)
optional
Content Includes
Plugin
Yes
No
Plugin
Feed Aggregation
Plugin
Yes
No
Plugin
Usability ikiwiki WackoWiki Friki ErfurtWiki
Section Editing
No
Yes
No
No
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
No
Yes
No
Patch
Toolbar
No
Yes
No
No
WYSIWYG Editing
No
Plugin
No
No
Access Keys
No
Yes
Unknown
Optional
Auto Signature
No
Yes
No
No
Statistics ikiwiki WackoWiki Friki ErfurtWiki
Recent Changes
Yes
Yes
Yes
Plugin
Wanted Pages
Plugin
Yes
No
Plugin
Orphaned Pages
Plugin
Yes
No
Plugin
Most/Least Popular
No
Yes
No
Plugin
Recent Visitors
No
Yes
Yes
Optional
Analysis
No
Plugin
No
No
Output ikiwiki WackoWiki Friki ErfurtWiki
Printer Friendly
Print CSS
Print View
No
Print CSS
Mobile Friendly
Yes
Yes
Unknown
Yes
Themes & Skins
Yes
Yes
Optional
Yes
RSS Feeds
Plugin
Yes
No
Plugin
ATOM Feeds
Plugin
No
No
Plugin
Abbreviations
No
Patch
No
Optional
Auto-TOC
Plugin
Yes
No
Plugin
Raw Export
Yes
Yes
No
Yes
HTML Export
Yes
Yes
No
Yes
XML export
No
Yes
No
Optional
PDF Export
No
Patch
No
Optional
Office Export
Unknown
Patch
Unknown
Unknown
Media and Files ikiwiki WackoWiki Friki ErfurtWiki
File Attachments
Yes
Yes
No
Plugin
Media Revisions
Yes
No
No
No
Embedded Flash
Optional
Yes
No
Plugin
Embedded Video
Optional
Yes
No
Plugin
Image Editing
No
No
Unknown
No
SVG Editing
No
No
Unknown
No
MindMap Editing
No
Plugin
Unknown
No
Media Search
Filenames only
Contents
No
No
Extras ikiwiki WackoWiki Friki ErfurtWiki
Calendar
Plugin
Plugin
Unknown
Plugin
Image Galleries
Plugin
Plugin
Unknown
Plugin
Presentations
Unknown
Plugin
Unknown
Unknown
Forums
Unknown
Optional
Unknown
No
Blogs
Yes
Optional
Unknown
Yes
Ticket System
Yes
No
Unknown
No
Chat
Unknown
Patch
Unknown
Unknown
Syntax Examples ikiwiki WackoWiki Friki ErfurtWiki
Internal Link
[[internal]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiPage
[WikiPage | Go here]
External Link
[link text](http://example.org)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net
Headlines
Two syntaxes:

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

heading 1
=========

heading 2
---------
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
!!! Big Headline
!! Medium Headline
! Section Headline
Bold Format
**bold**
__bold__
**bold**
'''bold''
__bold text__
**bold text**
Italics Format
*emphasized*
_emphasized_
//italics//
''italic''
''ialic text''
Underline Format
via HTML: <u>underlined</u>
__underline__
optional or via css
Monospace Format
`inline monospace`

indented block of
monospaced text

tab-indented
block
##monospace##
monospace
==monospaced text==
Strikethrough Format
via HTML: <del>deleted</del>
--strikethrough--
optional or via css
Superscript Format
via HTML: x<sup>2</sup>
^^superscript^^
^^superscript text^^
Subscript Format
via HTML: a<sub>1</sub>
vvsubscriptvv
optional or via css
Images
![alt text](internal/image)
![alt text](http://example.org/external/image)
((image.png))
file:image.png
https://example.com/image.png
http://stringtree.org/friki/logo.gif
[link to the image.jpg]
Aligning Text
{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%
optional or via css
Text Indentation
one
two
:        indented
just use 3 spaces or tabs
indented text
Bulleted Lists
* item 1
* item 2
* item 2.1
* item 2.2
*one
**One-two
*two
*three
* first
* second
* Item A
* Item B
** Item B1
Numbered Lists
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


1. first
1. second
# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

Definition Lists
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}
title:        description
:definition: explanation
:anotherdef: another description
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
----
remove ikiwiki remove WackoWiki remove Friki remove ErfurtWiki