TiddlyWiki vs. ikiwiki vs. Friki vs. WackoWiki

General Features TiddlyWiki ikiwiki Friki WackoWiki
Version
5.1.21
2.67
2.1.1
6.2.0
Last Release Date
2019-07-25 (6 years ago)
2008-10-17 (17 years ago)
2004-05-14 (21 years ago)
2025-12-14 (1 month ago)
Last Update here
2019-11-20 (6 years ago)
2008-10-28 (17 years ago)
2006-02-14 (19 years ago)
2025-12-13 (1 month ago)
Author
Jeremy Ruston, TiddlyWiki community
Joey Hess and the ikiwiki community
Frank Carver
WackoWiki Team
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
GPL
ASL or LGPL
BSD
Programming Language
HTML, JavaScript
Perl
Java
PHP
Data Storage
Files
Files, RCS
Files
Database
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Individuals, private, small groups
Anyone
private users and small teams
Advanced End Users, Developers, End Users/Desktop
System Requirements TiddlyWiki ikiwiki Friki WackoWiki
Operating System
Any
Any
Any that can run Java 1.3 or later
OS Independent
Root Access
No
No
No
No
Webserver
Not required (optional backends available)
Any, or none
Any that can run or call Java
run with the appserver/webserver of your choice
Other Requirements
A common browser
Java 1.3 or later
mod_rewrite (optional)
Datastorage TiddlyWiki ikiwiki Friki WackoWiki
Text Files
Optional
Yes
Yes
No
MySQL
No
No
No
Yes
PostgreSQL
No
No
No
No
Oracle
No
No
No
No
SQLite
No
No
No
Yes
BerkeleyDB
No
No
No
No
RCS
No
Yes
No
No
Other
Data self contained in html file OR as individual data files
MariaDB
Security/Anti-Spam TiddlyWiki ikiwiki Friki WackoWiki
Page Permissions
Yes
Yes
No
Yes
ACL
No
Yes
No
Yes
Authentication Backends
optional extensions available
Built-in, HTTP auth, OpenID; extensible via plugins
LDAP (patch), ActiveDirectory
Host Blocking
No
Yes
Patch
Optional
Mail Encryption
No
Yes
No
Optional
nofollow
Unknown
No
Optional
Optional
Blacklist
No
Yes
No
Yes
CAPTCHA
No
No
No
Yes
Delayed Indexing
Unknown
No
No
No
Development/Support TiddlyWiki ikiwiki Friki WackoWiki
# of Consultants
Preconfigured Hosting
Yes
No
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
8538 ⭐
N/A
N/A
55 ⭐
Common Features TiddlyWiki ikiwiki Friki WackoWiki
Preview
Yes
Yes
No
Yes
Minor Changes
Yes
No
No
Yes
Change Summary
Unknown
Yes
No
Yes
Page History
Plugin
Yes
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Plugin
Yes
Yes
Plugin System
Yes
Yes
No
Yes
Special Features TiddlyWiki ikiwiki Friki WackoWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Unknown
Yes
Interface Languages
4
German, English, French, Japanese
1
English
0
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
Email notification
Unknown
Yes
No
Yes
Comments
Plugin
Discussion Pages
No
Flat
Categories
Yes
Plugin
Unknown
Yes
Namespaces
Plugin
Yes
Unknown
Yes
Conflict Handling
None
Conflict Resolution
None
Page Locking
Concurrent Editing
Unknown
Unknown
Unknown
No
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Yes
Unknown
Patch
Structured Data
Yes
Unknown
Unknown
Plugin
Links TiddlyWiki ikiwiki Friki WackoWiki
CamelCase
Yes
Plugin
Yes
Optional
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Plugin
Plugin
Yes
Yes
SisterWiki
No
Plugin
No
No
Image Links
Yes
Yes
Optional
Yes
Windows Shares
Yes
Yes
No
Yes
Page Redirects
Plugin
Unknown
Unknown
Yes
Syntax Features TiddlyWiki ikiwiki Friki WackoWiki
HTML Tags
Optional
Optional
None
All
Math formulas
Yes
Plugin
No
Plugin
Tables
complex
simple + complex
complex
simple
CREOLE support
Plugin
No
Unknown
No
Markdown Support
Yes
Yes
Optional
No
Textile Support
No
Plugin
Optional
No
BBCode Support
No
No
Optional
Patch
Emoticon Images
Plugin
Plugin
Optional
Yes
Syntax Highlighting
Plugin
Plugin
Optional
Yes
Footnotes
Plugin
No
No
Yes
Quoting
Yes
Yes
No
Yes
Internal Comments
Yes
Yes
No
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
Plugin
Yes
No
No
Scripting
JavaScript
safe subset of HTML::Template supported via template plugin
actions (PHP)
Content Includes
Yes
Plugin
No
Yes
Feed Aggregation
Plugin
Plugin
No
Yes
Usability TiddlyWiki ikiwiki Friki WackoWiki
Section Editing
Yes
No
No
Yes
Page Templates
Yes
Yes
No
Yes
Double-Click Edit
Plugin
No
No
Yes
Toolbar
Yes
No
No
Yes
WYSIWYG Editing
Plugin
No
No
Plugin
Access Keys
Yes
No
Unknown
Yes
Auto Signature
Plugin
No
No
Yes
Statistics TiddlyWiki ikiwiki Friki WackoWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Plugin
No
Yes
Orphaned Pages
Yes
Plugin
No
Yes
Most/Least Popular
Plugin
No
No
Yes
Recent Visitors
No
No
Yes
Yes
Analysis
Plugin
No
No
Plugin
Output TiddlyWiki ikiwiki Friki WackoWiki
Printer Friendly
Print CSS
Print CSS
No
Print View
Mobile Friendly
Yes
Yes
Unknown
Yes
Themes & Skins
Yes
Yes
Optional
Yes
RSS Feeds
Plugin
Plugin
No
Yes
ATOM Feeds
Plugin
Plugin
No
No
Abbreviations
Unknown
No
No
Patch
Auto-TOC
Yes
Plugin
No
Yes
Raw Export
Yes
Yes
No
Yes
HTML Export
Yes
Yes
No
Yes
XML export
Unknown
No
No
Yes
PDF Export
Plugin
No
No
Patch
Office Export
Unknown
Unknown
Unknown
Patch
Media and Files TiddlyWiki ikiwiki Friki WackoWiki
File Attachments
Plugin
Yes
No
Yes
Media Revisions
No
Yes
No
No
Embedded Flash
Plugin
Optional
No
Yes
Embedded Video
Yes
Optional
No
Yes
Image Editing
Yes
No
Unknown
No
SVG Editing
No
No
Unknown
No
MindMap Editing
Plugin
No
Unknown
Plugin
Media Search
No
Filenames only
No
Contents
Extras TiddlyWiki ikiwiki Friki WackoWiki
Calendar
Plugin
Plugin
Unknown
Plugin
Image Galleries
Plugin
Plugin
Unknown
Plugin
Presentations
Plugin
Unknown
Unknown
Plugin
Forums
Plugin
Unknown
Unknown
Optional
Blogs
Yes
Yes
Unknown
Optional
Ticket System
Plugin
Yes
Unknown
No
Chat
Unknown
Unknown
Unknown
Patch
Syntax Examples TiddlyWiki ikiwiki Friki WackoWiki
Internal Link
WikiWord (CamelCase)
[[link]]
[[label|link]]
[[internal]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
External Link
http://www.example.com
[[label|http://www.example.com]]
[link text](http://example.org)
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
Headlines
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
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''
**bold**
Italics Format
//italic//
*emphasized*
_emphasized_
''italic''
//italics//
Underline Format
__underline__
via HTML: <u>underlined</u>
__underline__
Monospace Format
{{{monospaced}}}
`inline monospace`

indented block of
monospaced text

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

%%(wacko wrapper="text" wrapper_align="center")
content%%
Text Indentation
:indent

> quote

<<<
blockquote
<<<
:        indented
one
two
Bulleted Lists
* Item 1
** Item 1.1
* Item 2
* item 1
* item 2
* item 2.1
* item 2.2
* first
* second
*one
**One-two
*two
*three
Numbered Lists
# Item 1
## Item 1.1
# Item 2
1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works
1. first
1. second
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


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