ikiwiki vs. WackoWiki vs. TiddlyWiki vs. Friki

General Features ikiwiki WackoWiki TiddlyWiki Friki
Version
2.67
6.2.0
5.1.21
2.1.1
Last Release Date
2008-10-17 (17 years ago)
2025-12-14 (29 days ago)
2019-07-25 (6 years ago)
2004-05-14 (21 years ago)
Last Update here
2008-10-28 (17 years ago)
2025-12-13 (30 days ago)
2019-11-20 (6 years ago)
2006-02-14 (19 years ago)
Author
Joey Hess and the ikiwiki community
WackoWiki Team
Jeremy Ruston, TiddlyWiki community
Frank Carver
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
GPL
BSD
BSD
ASL or LGPL
Programming Language
Perl
PHP
HTML, JavaScript
Java
Data Storage
Files, RCS
Database
Files
Files
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Anyone
Advanced End Users, Developers, End Users/Desktop
Individuals, private, small groups
private users and small teams
System Requirements ikiwiki WackoWiki TiddlyWiki Friki
Operating System
Any
OS Independent
Any
Any that can run Java 1.3 or later
Root Access
No
No
No
No
Webserver
Any, or none
run with the appserver/webserver of your choice
Not required (optional backends available)
Any that can run or call Java
Other Requirements
mod_rewrite (optional)
A common browser
Java 1.3 or later
Datastorage ikiwiki WackoWiki TiddlyWiki Friki
Text Files
Yes
No
Optional
Yes
MySQL
No
Yes
No
No
PostgreSQL
No
No
No
No
Oracle
No
No
No
No
SQLite
No
Yes
No
No
BerkeleyDB
No
No
No
No
RCS
Yes
No
No
No
Other
MariaDB
Data self contained in html file OR as individual data files
Security/Anti-Spam ikiwiki WackoWiki TiddlyWiki Friki
Page Permissions
Yes
Yes
Yes
No
ACL
Yes
Yes
No
No
Authentication Backends
Built-in, HTTP auth, OpenID; extensible via plugins
LDAP (patch), ActiveDirectory
optional extensions available
Host Blocking
Yes
Optional
No
Patch
Mail Encryption
Yes
Optional
No
No
nofollow
No
Optional
Unknown
Optional
Blacklist
Yes
Yes
No
No
CAPTCHA
No
Yes
No
No
Delayed Indexing
No
No
Unknown
No
Development/Support ikiwiki WackoWiki TiddlyWiki Friki
# of Consultants
Preconfigured Hosting
No
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
54 ⭐
8501 ⭐
N/A
Common Features ikiwiki WackoWiki TiddlyWiki Friki
Preview
Yes
Yes
Yes
No
Minor Changes
No
Yes
Yes
No
Change Summary
Yes
Yes
Unknown
No
Page History
Yes
Yes
Plugin
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Plugin
Yes
Yes
Yes
Plugin System
Yes
Yes
Yes
No
Special Features ikiwiki WackoWiki TiddlyWiki Friki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Yes
Unknown
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
4
German, English, French, Japanese
0
Email notification
Yes
Yes
Unknown
No
Comments
Discussion Pages
Flat
Plugin
No
Categories
Plugin
Yes
Yes
Unknown
Namespaces
Yes
Yes
Plugin
Unknown
Conflict Handling
Conflict Resolution
Page Locking
None
None
Concurrent Editing
Unknown
No
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Yes
Unknown
Structured Data
Unknown
Plugin
Yes
Unknown
Links ikiwiki WackoWiki TiddlyWiki Friki
CamelCase
Plugin
Optional
Yes
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Plugin
Yes
Plugin
Yes
SisterWiki
Plugin
No
No
No
Image Links
Yes
Yes
Yes
Optional
Windows Shares
Yes
Yes
Yes
No
Page Redirects
Unknown
Yes
Plugin
Unknown
Syntax Features ikiwiki WackoWiki TiddlyWiki Friki
HTML Tags
Optional
All
Optional
None
Math formulas
Plugin
Plugin
Yes
No
Tables
simple + complex
simple
complex
complex
CREOLE support
No
No
Plugin
Unknown
Markdown Support
Yes
No
Yes
Optional
Textile Support
Plugin
No
No
Optional
BBCode Support
No
Patch
No
Optional
Emoticon Images
Plugin
Yes
Plugin
Optional
Syntax Highlighting
Plugin
Yes
Plugin
Optional
Footnotes
No
Yes
Plugin
No
Quoting
Yes
Yes
Yes
No
Internal Comments
Yes
Yes
Yes
No
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Yes
No
Plugin
No
Scripting
safe subset of HTML::Template supported via template plugin
actions (PHP)
JavaScript
Content Includes
Plugin
Yes
Yes
No
Feed Aggregation
Plugin
Yes
Plugin
No
Usability ikiwiki WackoWiki TiddlyWiki Friki
Section Editing
No
Yes
Yes
No
Page Templates
Yes
Yes
Yes
No
Double-Click Edit
No
Yes
Plugin
No
Toolbar
No
Yes
Yes
No
WYSIWYG Editing
No
Plugin
Plugin
No
Access Keys
No
Yes
Yes
Unknown
Auto Signature
No
Yes
Plugin
No
Statistics ikiwiki WackoWiki TiddlyWiki Friki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Plugin
Yes
Yes
No
Orphaned Pages
Plugin
Yes
Yes
No
Most/Least Popular
No
Yes
Plugin
No
Recent Visitors
No
Yes
No
Yes
Analysis
No
Plugin
Plugin
No
Output ikiwiki WackoWiki TiddlyWiki Friki
Printer Friendly
Print CSS
Print View
Print CSS
No
Mobile Friendly
Yes
Yes
Yes
Unknown
Themes & Skins
Yes
Yes
Yes
Optional
RSS Feeds
Plugin
Yes
Plugin
No
ATOM Feeds
Plugin
No
Plugin
No
Abbreviations
No
Patch
Unknown
No
Auto-TOC
Plugin
Yes
Yes
No
Raw Export
Yes
Yes
Yes
No
HTML Export
Yes
Yes
Yes
No
XML export
No
Yes
Unknown
No
PDF Export
No
Patch
Plugin
No
Office Export
Unknown
Patch
Unknown
Unknown
Media and Files ikiwiki WackoWiki TiddlyWiki Friki
File Attachments
Yes
Yes
Plugin
No
Media Revisions
Yes
No
No
No
Embedded Flash
Optional
Yes
Plugin
No
Embedded Video
Optional
Yes
Yes
No
Image Editing
No
No
Yes
Unknown
SVG Editing
No
No
No
Unknown
MindMap Editing
No
Plugin
Plugin
Unknown
Media Search
Filenames only
Contents
No
No
Extras ikiwiki WackoWiki TiddlyWiki Friki
Calendar
Plugin
Plugin
Plugin
Unknown
Image Galleries
Plugin
Plugin
Plugin
Unknown
Presentations
Unknown
Plugin
Plugin
Unknown
Forums
Unknown
Optional
Plugin
Unknown
Blogs
Yes
Optional
Yes
Unknown
Ticket System
Yes
No
Plugin
Unknown
Chat
Unknown
Patch
Unknown
Unknown
Syntax Examples ikiwiki WackoWiki TiddlyWiki Friki
Internal Link
[[internal]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiWord (CamelCase)
[[link]]
[[label|link]]
External Link
[link text](http://example.org)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://www.example.com
[[label|http://www.example.com]]
Headlines
Two syntaxes:

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

heading 1
=========

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

indented block of
monospaced text

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

%%(wacko wrapper="text" wrapper_align="center")
content%%
using custom classes, e.g.
{{right{
text
}}}
Text Indentation
one
two
:indent

> quote

<<<
blockquote
<<<
:        indented
Bulleted Lists
* item 1
* item 2
* item 2.1
* item 2.2
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
* first
* second
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


# Item 1
## Item 1.1
# Item 2
1. first
1. second
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}
; term
: description
title:        description
Horizontal Rule
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
----
remove ikiwiki remove WackoWiki remove TiddlyWiki remove Friki