Wikidot vs. WackoWiki vs. TiddlyWiki vs. ikiwiki

General Features Wikidot WackoWiki TiddlyWiki ikiwiki
Version
6.2.1
5.1.21
2.67
Last Release Date
2026-03-03 (1 day ago)
2019-07-25 (6 years ago)
2008-10-17 (17 years ago)
Last Update here
2009-12-09 (16 years ago)
2026-03-03 (1 day ago)
2019-11-20 (6 years ago)
2008-10-28 (17 years ago)
Author
Michal Frackowiak
WackoWiki Team
Jeremy Ruston, TiddlyWiki community
Joey Hess and the ikiwiki community
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
AGPLv3
BSD
BSD
GPL
Programming Language
PHP
HTML, JavaScript
Perl
Data Storage
Database
Database
Files
Files, RCS
License Cost/ Fee
Free / Paid Accounts (starts from $5 per month)
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
companies, private users, social groups and communities, software developers, tech geeks
Advanced End Users, Developers, End Users/Desktop
Individuals, private, small groups
Anyone
Hosting Features Wikidot WackoWiki TiddlyWiki ikiwiki
Storage Quota
1500MB for free users, more for Pro accounts
N/A
N/A
N/A
Bandwidth Quota
no limit
N/A
N/A
N/A
Other Limits
max uploaded file size limit
N/A
N/A
N/A
Topic Restrictions
by Terms Of Service
N/A
N/A
N/A
Corporate Branding
Yes
N/A
N/A
N/A
Own Domain
Yes
N/A
N/A
N/A
Ads allowed
Yes
N/A
N/A
N/A
System Requirements Wikidot WackoWiki TiddlyWiki ikiwiki
Operating System
OS Independent
Any
Any
Root Access
No
No
No
No
Webserver
run with the appserver/webserver of your choice
Not required (optional backends available)
Any, or none
Other Requirements
mod_rewrite (optional)
A common browser
Datastorage Wikidot WackoWiki TiddlyWiki ikiwiki
Text Files
Unknown
No
Optional
Yes
MySQL
Unknown
Yes
No
No
PostgreSQL
Yes
No
No
No
Oracle
Unknown
No
No
No
SQLite
Unknown
Yes
No
No
BerkeleyDB
Unknown
No
No
No
RCS
Unknown
No
No
Yes
Other
MariaDB
Data self contained in html file OR as individual data files
Security/Anti-Spam Wikidot WackoWiki TiddlyWiki ikiwiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
Yes
No
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
optional extensions available
Built-in, HTTP auth, OpenID; extensible via plugins
Host Blocking
Yes
Optional
No
Yes
Mail Encryption
No
Optional
No
Yes
nofollow
Yes
Optional
Unknown
No
Blacklist
Yes
Yes
No
Yes
CAPTCHA
Yes
Yes
No
No
Delayed Indexing
Yes
No
Unknown
No
Development/Support Wikidot WackoWiki TiddlyWiki ikiwiki
# of Consultants
Preconfigured Hosting
Yes
Yes
Yes
No
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
N/A
55 ⭐
8554 ⭐
N/A
Common Features Wikidot WackoWiki TiddlyWiki ikiwiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
Yes
No
Change Summary
Yes
Yes
Unknown
Yes
Page History
Yes
Yes
Plugin
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Yes
Plugin
Plugin System
No
Yes
Yes
Yes
Special Features Wikidot WackoWiki TiddlyWiki ikiwiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Yes
Yes
Interface Languages
2
English, Polish
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
1
English
Email notification
Yes
Yes
Unknown
Yes
Comments
Threaded
Flat
Plugin
Discussion Pages
Categories
Yes
Yes
Yes
Plugin
Namespaces
Yes
Yes
Plugin
Yes
Conflict Handling
Page Locking
Page Locking
None
Conflict Resolution
Concurrent Editing
Unknown
No
Unknown
Unknown
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Yes
Patch
Yes
Yes
Structured Data
Yes
Plugin
Yes
Unknown
Links Wikidot WackoWiki TiddlyWiki ikiwiki
CamelCase
No
Optional
Yes
Plugin
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Yes
Plugin
Plugin
SisterWiki
No
No
No
Plugin
Image Links
Yes
Yes
Yes
Yes
Windows Shares
No
Yes
Yes
Yes
Page Redirects
Yes
Yes
Plugin
Unknown
Syntax Features Wikidot WackoWiki TiddlyWiki ikiwiki
HTML Tags
None
All
Optional
Optional
Math formulas
Yes
Plugin
Yes
Plugin
Tables
simple + complex
simple + complex
complex
simple + complex
CREOLE support
No
No
Plugin
No
Markdown Support
No
No
Yes
Yes
Textile Support
No
No
No
Plugin
BBCode Support
No
Patch
No
No
Emoticon Images
No
Yes
Plugin
Plugin
Syntax Highlighting
Yes
Yes
Plugin
Plugin
Footnotes
Yes
Yes
Plugin
No
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
No
Plugin
Yes
Scripting
CSS styles, embeddable JavaScript, reporting language
actions (PHP)
JavaScript
safe subset of HTML::Template supported via template plugin
Content Includes
Yes
Yes
Yes
Plugin
Feed Aggregation
Yes
Yes
Plugin
Plugin
Usability Wikidot WackoWiki TiddlyWiki ikiwiki
Section Editing
Yes
Yes
Yes
No
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
No
Yes
Plugin
No
Toolbar
Yes
Yes
Yes
No
WYSIWYG Editing
No
Plugin
Plugin
No
Access Keys
Yes
Yes
Yes
No
Auto Signature
Yes
Yes
Plugin
No
Statistics Wikidot WackoWiki TiddlyWiki ikiwiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Yes
Plugin
Orphaned Pages
Yes
Yes
Yes
Plugin
Most/Least Popular
No
Yes
Plugin
No
Recent Visitors
No
Yes
No
No
Analysis
Yes
Plugin
Plugin
No
Output Wikidot WackoWiki TiddlyWiki ikiwiki
Printer Friendly
Print View
Print View
Print CSS
Print CSS
Mobile Friendly
Optional
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Yes
Plugin
Plugin
ATOM Feeds
No
No
Plugin
Plugin
Abbreviations
No
Patch
Unknown
No
Auto-TOC
Yes
Yes
Yes
Plugin
Raw Export
Yes
Yes
Yes
Yes
HTML Export
No
Yes
Yes
Yes
XML export
No
Yes
Unknown
No
PDF Export
No
Patch
Plugin
No
Office Export
Unknown
Patch
Unknown
Unknown
Media and Files Wikidot WackoWiki TiddlyWiki ikiwiki
File Attachments
Yes
Yes
Plugin
Yes
Media Revisions
No
No
No
Yes
Embedded Flash
Yes
Yes
Plugin
Optional
Embedded Video
Yes
Yes
Yes
Optional
Image Editing
No
No
Yes
No
SVG Editing
No
No
No
No
MindMap Editing
No
Plugin
Plugin
No
Media Search
No
Contents
No
Filenames only
Extras Wikidot WackoWiki TiddlyWiki ikiwiki
Calendar
Optional
Plugin
Plugin
Plugin
Image Galleries
Yes
Plugin
Plugin
Plugin
Presentations
Unknown
Plugin
Plugin
Unknown
Forums
Yes
Optional
Plugin
Unknown
Blogs
Yes
Optional
Yes
Yes
Ticket System
Yes
No
Plugin
Yes
Chat
Unknown
Patch
Unknown
Unknown
Syntax Examples Wikidot WackoWiki TiddlyWiki ikiwiki
Internal Link
[[[page-name]]] or
[[[page-name|anchor]]]
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiWord (CamelCase)
[[link]]
[[label|link]]
[[internal]]
External Link
http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://www.example.com
[[label|http://www.example.com]]
[link text](http://example.org)
Headlines
+++ headline level 3
== Level 1 ==
=== Level 2 ===
==== Level 3 ====
===== Level 4 =====
====== Level 5 ======
! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
Two syntaxes:

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

heading 1
=========

heading 2
---------
Bold Format
**bold text**
**bold**
''bold''
**bold**
__bold__
Italics Format
//italic text//
//italics//
//italic//
*emphasized*
_emphasized_
Underline Format
__underlined text__
__underline__
__underline__
via HTML: <u>underlined</u>
Monospace Format
{{monospaced text}}
##monospace##
{{{monospaced}}}
`inline monospace`

indented block of
monospaced text

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

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

> quote

<<<
blockquote
<<<
Bulleted Lists
* element 1
* element 2
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
* item 1
* item 2
* item 2.1
* item 2.2
Numbered Lists
# element 1
# element 1
1. numbered List
1. numbered List-2
2.#8 numbered List, with break


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