Friki vs. ikiwiki vs. WikkaWiki

General Features Friki ikiwiki WikkaWiki
Version
2.1.1
2.67
1.4.2
Last Release Date
2004-05-14 (21 years ago)
2008-10-17 (17 years ago)
2020-04-20 (5 years ago)
Last Update here
2006-02-14 (20 years ago)
2008-10-28 (17 years ago)
2020-04-20 (5 years ago)
Author
Frank Carver
Joey Hess and the ikiwiki community
Wikka Development Team
URL
Free and Open Source
Yes
Yes
Yes
License
ASL or LGPL
GPL
GPL
Programming Language
Java
Perl
PHP
Data Storage
Files
Files, RCS
Database
License Cost/ Fee
0
0
0
Development status
Mature
Mature
Mature
Intended Audience
private users and small teams
Anyone
Individual users (PIM/website backend), development teams (software documentation/knowledge base), organizations and companies (intranet/public website backend)
System Requirements Friki ikiwiki WikkaWiki
Operating System
Any that can run Java 1.3 or later
Any
any (platform-independent)
Root Access
No
No
No
Webserver
Any that can run or call Java
Any, or none
any server with PHP/MySQL support
Other Requirements
Java 1.3 or later
mod_rewrite (optional)
Datastorage Friki ikiwiki WikkaWiki
Text Files
Yes
Yes
No
MySQL
No
No
Yes
PostgreSQL
No
No
No
Oracle
No
No
No
SQLite
No
No
Yes
BerkeleyDB
No
No
No
RCS
No
Yes
No
Other
No
Security/Anti-Spam Friki ikiwiki WikkaWiki
Page Permissions
No
Yes
Yes
ACL
No
Yes
Yes
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
Active Directory (patch)
Host Blocking
Patch
Yes
Yes
Mail Encryption
No
Yes
No
nofollow
Optional
No
Yes
Blacklist
No
Yes
Yes
CAPTCHA
No
No
Plugin
Delayed Indexing
No
No
No
Development/Support Friki ikiwiki WikkaWiki
# of Consultants
Preconfigured Hosting
No
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
N/A
42 ⭐
Common Features Friki ikiwiki WikkaWiki
Preview
No
Yes
Yes
Minor Changes
No
No
No
Change Summary
No
Yes
Yes
Page History
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Plugin System
No
Yes
Yes
Special Features Friki ikiwiki WikkaWiki
Unicode Support
Yes
Yes
Yes
Right-to-Left Support
Unknown
Yes
Yes
Interface Languages
0
1
English
0
Email notification
No
Yes
Patch
Comments
No
Discussion Pages
Threaded
Categories
Unknown
Plugin
Yes
Namespaces
Unknown
Yes
No
Conflict Handling
None
Conflict Resolution
Page Locking
Concurrent Editing
Unknown
Unknown
Yes
Search
Full Text
Full Text
Full Text
Wiki Farming
Unknown
Yes
No
Structured Data
Unknown
Unknown
Plugin
Links Friki ikiwiki WikkaWiki
CamelCase
Yes
Plugin
Yes
Freelinks
Yes
Yes
Patch
Backlinks
Yes
Yes
Yes
InterWiki
Yes
Plugin
Yes
SisterWiki
No
Plugin
No
Image Links
Optional
Yes
Yes
Windows Shares
No
Yes
No
Page Redirects
Unknown
Unknown
Patch
Syntax Features Friki ikiwiki WikkaWiki
HTML Tags
None
Optional
Some
Math formulas
No
Plugin
Plugin
Tables
complex
simple + complex
simple + complex
CREOLE support
Unknown
No
No
Markdown Support
Optional
Yes
No
Textile Support
Optional
Plugin
No
BBCode Support
Optional
No
No
Emoticon Images
Optional
Plugin
No
Syntax Highlighting
Optional
Plugin
Yes
Footnotes
No
No
Plugin
Quoting
No
Yes
Yes
Internal Comments
No
Yes
Yes
Custom styles
Yes
Yes
Yes
FAQ Tags
No
Yes
No
Scripting
safe subset of HTML::Template supported via template plugin
Extensibility through drop-in plugins
Content Includes
No
Plugin
Yes
Feed Aggregation
No
Plugin
Yes
Usability Friki ikiwiki WikkaWiki
Section Editing
No
No
No
Page Templates
No
Yes
Yes
Double-Click Edit
No
No
Yes
Toolbar
No
No
Yes
WYSIWYG Editing
No
No
Plugin
Access Keys
Unknown
No
Patch
Auto Signature
No
No
Patch
Statistics Friki ikiwiki WikkaWiki
Recent Changes
Yes
Yes
Yes
Wanted Pages
No
Plugin
Yes
Orphaned Pages
No
Plugin
Yes
Most/Least Popular
No
No
Patch
Recent Visitors
Yes
No
Patch
Analysis
No
No
Yes
Output Friki ikiwiki WikkaWiki
Printer Friendly
No
Print CSS
Print CSS
Mobile Friendly
Unknown
Yes
Unknown
Themes & Skins
Optional
Yes
Yes
RSS Feeds
No
Plugin
Yes
ATOM Feeds
No
Plugin
Plugin
Abbreviations
No
No
Patch
Auto-TOC
No
Plugin
Yes
Raw Export
No
Yes
Yes
HTML Export
No
Yes
Yes
XML export
No
No
Patch
PDF Export
No
No
No
Office Export
Unknown
Unknown
No
Media and Files Friki ikiwiki WikkaWiki
File Attachments
No
Yes
Yes
Media Revisions
No
Yes
No
Embedded Flash
No
Optional
Yes
Embedded Video
No
Optional
No
Image Editing
Unknown
No
No
SVG Editing
Unknown
No
No
MindMap Editing
Unknown
No
Yes
Media Search
No
Filenames only
No
Extras Friki ikiwiki WikkaWiki
Calendar
Unknown
Plugin
Plugin
Image Galleries
Unknown
Plugin
Plugin
Presentations
Unknown
Unknown
No
Forums
Unknown
Unknown
No
Blogs
Unknown
Yes
Plugin
Ticket System
Unknown
Yes
No
Chat
Unknown
Unknown
No
Syntax Examples Friki ikiwiki WikkaWiki
Internal Link
[[internal]]
CamelCase
[[forced]]
[[forced|This is a link]]
[[forced |日本語]]
External Link
[link text](http://example.org)
http://wikkawiki.org
[[http://wikkawiki.org|Wikka Wiki]]
[[Wikipedia:WikkaWiki]]
Headlines
Two syntaxes:

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

heading 1
=========

heading 2
---------
====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==
Bold Format
'''bold''
**bold**
__bold__
**bold**
Italics Format
''italic''
*emphasized*
_emphasized_
//italic//
Underline Format
via HTML: <u>underlined</u>
__underlined__
Monospace Format
monospace
`inline monospace`

indented block of
monospaced text

tab-indented
block
##monospaced##
Strikethrough Format
via HTML: <del>deleted</del>
++Strike through text++
Superscript Format
via HTML: x<sup>2</sup>
""<sup>Superscript</sup>""
Subscript Format
via HTML: a<sub>1</sub>
""<sub>Subscript</sub>""
Images
http://stringtree.org/friki/logo.gif
![alt text](internal/image)
![alt text](http://example.org/external/image)
http://foo.bar/bar.jpg
{{image url="local.jpg"}}
{{image url="http://foo.bar/bar.jpg"}}
Aligning Text
@@Center text@@
<<left floated<<
>>right floated>>
Text Indentation
:        indented
(4 spaces or a ~ can replace a tab)
indented
~indented
Bulleted Lists
* first
* second
* item 1
* item 2
* item 2.1
* item 2.2
(4 spaces or a ~ can replace a tab)

~- Item 1
~~- Item 1.1
~- Item 2
Numbered Lists
1. first
1. second
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
(4 spaces or a ~ can replace a tab)

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

(more options for lists are available)
Definition Lists
title:        description
via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>
""<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>""
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
remove Friki remove ikiwiki remove WikkaWiki