WackoWiki vs. TiddlyWiki vs. ikiwiki vs. XWiki

General Features WackoWiki TiddlyWiki ikiwiki XWiki
Version
6.2.1
5.1.21
2.67
18.1.0
Last Release Date
2026-03-03 (1 day ago)
2019-07-25 (6 years ago)
2008-10-17 (17 years ago)
2026-02-23 (9 days ago)
Last Update here
2026-03-03 (1 day ago)
2019-11-20 (6 years ago)
2008-10-28 (17 years ago)
2026-02-23 (9 days ago)
Author
WackoWiki Team
Jeremy Ruston, TiddlyWiki community
Joey Hess and the ikiwiki community
XWiki Development Team
URL
Free and Open Source
Yes
Yes
Yes
Yes
License
BSD
BSD
GPL
LGPL + Free hosting on https://myxwiki.org for individuals/non profit
Programming Language
PHP
HTML, JavaScript
Perl
Java
Data Storage
Database
Files
Files, RCS
Database, RCS
License Cost/ Fee
0
0
0
0
Development status
Mature
Mature
Mature
Mature
Intended Audience
Advanced End Users, Developers, End Users/Desktop
Individuals, private, small groups
Anyone
Enterprise, Workgroups, Developers
Hosting Features WackoWiki TiddlyWiki ikiwiki XWiki
Storage Quota
N/A
N/A
N/A
Bandwidth Quota
N/A
N/A
N/A
Other Limits
N/A
N/A
N/A
Topic Restrictions
N/A
N/A
N/A
Corporate Branding
N/A
N/A
N/A
Yes
Own Domain
N/A
N/A
N/A
Yes
Ads allowed
N/A
N/A
N/A
No
System Requirements WackoWiki TiddlyWiki ikiwiki XWiki
Operating System
OS Independent
Any
Any
Any platform supporting Java 17 or greater
Root Access
No
No
No
No
Webserver
run with the appserver/webserver of your choice
Not required (optional backends available)
Any, or none
Servlet 5.0+
Other Requirements
mod_rewrite (optional)
A common browser
Java 17, MySQL/MariaDB/PostgreSQL/HSQLDB/etc (JDBC Driver required)
Datastorage WackoWiki TiddlyWiki ikiwiki XWiki
Text Files
No
Optional
Yes
No
MySQL
Yes
No
No
Yes
PostgreSQL
No
No
No
Yes
Oracle
No
No
No
Yes
SQLite
Yes
No
No
No
BerkeleyDB
No
No
No
No
RCS
No
No
Yes
Plugin
Other
MariaDB
Data self contained in html file OR as individual data files
JDBC Databases and in general any database supported by Hibernate; any custom implementation, as the storage is pluggable. Attachments can be saved on the filesystem
Security/Anti-Spam WackoWiki TiddlyWiki ikiwiki XWiki
Page Permissions
Yes
Yes
Yes
Yes
ACL
Yes
No
Yes
Yes
Authentication Backends
LDAP (patch), ActiveDirectory
optional extensions available
Built-in, HTTP auth, OpenID; extensible via plugins
XWiki, OpenID Connect, LDAP, custom (Open API), Kerberos, NTLM, Headers, PUMA, SAML, Trusted LDAP, Sun SSO
Host Blocking
Optional
No
Yes
No
Mail Encryption
Optional
No
Yes
Yes
nofollow
Optional
Unknown
No
No
Blacklist
Yes
No
Yes
Plugin
CAPTCHA
Yes
No
No
Yes
Delayed Indexing
No
Unknown
No
Yes
Development/Support WackoWiki TiddlyWiki ikiwiki XWiki
# of Consultants
Preconfigured Hosting
Yes
Yes
No
Yes
Code Repository
Issue Tracker
Mailing List
Support Forum
Chat Channel
Stars on GitHub
55 ⭐
8554 ⭐
N/A
N/A
Common Features WackoWiki TiddlyWiki ikiwiki XWiki
Preview
Yes
Yes
Yes
Yes
Minor Changes
Yes
Yes
No
Yes
Change Summary
Yes
Unknown
Yes
Yes
Page History
Yes
Plugin
Yes
Yes
Page Revisions
Unlimited
Unlimited
Unlimited
Unlimited
Revision Diffs
Between all
Between all
Between all
Between all
Sitemap
Yes
Yes
Plugin
Yes
Plugin System
Yes
Yes
Yes
Yes
Special Features WackoWiki TiddlyWiki ikiwiki XWiki
Unicode Support
Yes
Yes
Yes
Yes
Right-to-Left Support
Yes
Yes
Yes
No
Interface Languages
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
40
Bulgarian, Catalan, Czech, Danish, German, Greek, English, Spanish, Persian, French, Galician, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Cambodian, Kannada, Korean, Lithuanian, Latvian, Lettish, Marathi, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Sinhalese, Slovak, Slovenian, Swedish, Turkish, Uighur, Ukrainian, Vietnamese, Chinese, Chinese Traditional
Email notification
Yes
Unknown
Yes
Yes
Comments
Flat
Plugin
Discussion Pages
Threaded
Categories
Yes
Yes
Plugin
Yes
Namespaces
Yes
Plugin
Yes
Yes
Conflict Handling
Page Locking
None
Conflict Resolution
Conflict Resolution
Concurrent Editing
No
Unknown
Unknown
Yes
Search
Full Text
Full Text
Full Text
Full Text
Wiki Farming
Patch
Yes
Yes
Yes
Structured Data
Plugin
Yes
Unknown
Yes
Links WackoWiki TiddlyWiki ikiwiki XWiki
CamelCase
Optional
Yes
Plugin
Yes
Freelinks
Yes
Yes
Yes
Yes
Backlinks
Yes
Yes
Yes
Yes
InterWiki
Yes
Plugin
Plugin
Yes
SisterWiki
No
No
Plugin
Yes
Image Links
Yes
Yes
Yes
Yes
Windows Shares
Yes
Yes
Yes
Yes
Page Redirects
Yes
Plugin
Unknown
Yes
Syntax Features WackoWiki TiddlyWiki ikiwiki XWiki
HTML Tags
All
Optional
Optional
All
Math formulas
Plugin
Yes
Plugin
Yes
Tables
simple + complex
complex
simple + complex
simple + complex
CREOLE support
No
Plugin
No
Yes
Markdown Support
No
Yes
Yes
Yes
Textile Support
No
No
Plugin
No
BBCode Support
Patch
No
No
No
Emoticon Images
Yes
Plugin
Plugin
Yes
Syntax Highlighting
Yes
Plugin
Plugin
Yes
Footnotes
Yes
Plugin
No
Yes
Quoting
Yes
Yes
Yes
Yes
Internal Comments
Yes
Yes
Yes
Yes
Custom styles
Yes
Yes
Yes
Yes
FAQ Tags
No
Plugin
Yes
Plugin
Scripting
actions (PHP)
JavaScript
safe subset of HTML::Template supported via template plugin
velocity, groovy, ruby, jython, generic JSR223 & very powerful API
Content Includes
Yes
Yes
Plugin
Yes
Feed Aggregation
Yes
Plugin
Plugin
Yes
Usability WackoWiki TiddlyWiki ikiwiki XWiki
Section Editing
Yes
Yes
No
Yes
Page Templates
Yes
Yes
Yes
Yes
Double-Click Edit
Yes
Plugin
No
No
Toolbar
Yes
Yes
No
Yes
WYSIWYG Editing
Plugin
Plugin
No
Yes
Access Keys
Yes
Yes
No
Yes
Auto Signature
Yes
Plugin
No
No
Statistics WackoWiki TiddlyWiki ikiwiki XWiki
Recent Changes
Yes
Yes
Yes
Yes
Wanted Pages
Yes
Yes
Plugin
Yes
Orphaned Pages
Yes
Yes
Plugin
Yes
Most/Least Popular
Yes
Plugin
No
Yes
Recent Visitors
Yes
No
No
Yes
Analysis
Plugin
Plugin
No
Yes
Output WackoWiki TiddlyWiki ikiwiki XWiki
Printer Friendly
Print View
Print CSS
Print CSS
Print CSS
Mobile Friendly
Yes
Yes
Yes
Yes
Themes & Skins
Yes
Yes
Yes
Yes
RSS Feeds
Yes
Plugin
Plugin
Yes
ATOM Feeds
No
Plugin
Plugin
Optional
Abbreviations
Patch
Unknown
No
Plugin
Auto-TOC
Yes
Yes
Plugin
Optional
Raw Export
Yes
Yes
Yes
Yes
HTML Export
Yes
Yes
Yes
Yes
XML export
Yes
Unknown
No
Yes
PDF Export
Patch
Plugin
No
Yes
Office Export
Patch
Unknown
Unknown
Yes
Media and Files WackoWiki TiddlyWiki ikiwiki XWiki
File Attachments
Yes
Plugin
Yes
Yes
Media Revisions
No
No
Yes
Yes
Embedded Flash
Yes
Plugin
Optional
Yes
Embedded Video
Yes
Yes
Optional
Yes
Image Editing
No
Yes
No
Plugin
SVG Editing
No
No
No
Plugin
MindMap Editing
Plugin
Plugin
No
Plugin
Media Search
Contents
No
Filenames only
Contents
Extras WackoWiki TiddlyWiki ikiwiki XWiki
Calendar
Plugin
Plugin
Plugin
Plugin
Image Galleries
Plugin
Plugin
Plugin
Yes
Presentations
Plugin
Plugin
Unknown
Plugin
Forums
Optional
Plugin
Unknown
Plugin
Blogs
Optional
Yes
Yes
Plugin
Ticket System
No
Plugin
Yes
Plugin
Chat
Patch
Unknown
Unknown
Plugin
Syntax Examples WackoWiki TiddlyWiki ikiwiki XWiki
Internal Link
[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase
WikiWord (CamelCase)
[[link]]
[[label|link]]
[[internal]]
XWiki supports 16+ input syntaxes (e.g. confluence, twiki, docbook, mediawiki, xwiki, markdown, etc), see http://rendering.xwiki.org/xwiki/bin/view/Main/WebHome#HSupportedSyntaxes for details.

The syntax documented below is XWiki Syntax 2.1 (http://platform.xwiki.org/xwiki/bin/view/Main/XWikiSyntax).

[[wiki syntax here>>Space.Page]]
[[Space.Page]]
(Space is optional and is the current space if not specified)
External Link
https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]
http://www.example.com
[[label|http://www.example.com]]
[link text](http://example.org)
[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com
Headlines
== 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
---------
= Headline
== Subheadline
=== Sub-subheadline
==== etc..
Bold Format
**bold**
''bold''
**bold**
__bold__
**bold**
Italics Format
//italics//
//italic//
*emphasized*
_emphasized_
//Italics//
Underline Format
__underline__
__underline__
via HTML: <u>underlined</u>
__underline__
Monospace Format
##monospace##
{{{monospaced}}}
`inline monospace`

indented block of
monospaced text

tab-indented
block
##monospace##
Strikethrough Format
--strikethrough--
--strikethrough--
via HTML: <del>deleted</del>
--Strike--
Superscript Format
^^superscript^^
^^superscript^^
via HTML: x<sup>2</sup>
^^superscript^^
Subscript Format
,,subscript,,
~~subscript~~
via HTML: a<sub>1</sub>
,,subscript,,
Images
((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)
image:img.png
image:Space.Page@img.png
[[image:img.png||width="25" height="25"]]
image:http://some/url/img.png

Starting with the xwiki/2.1 syntax, also:
image:icon:cancel
Aligning Text
{html}<div align="right">{html}

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

> quote

<<<
blockquote
<<<
Non-semantic text indentation through styling:

(% style="... css here..." %)multi line text

Quotes:

> This is a quoted text
Bulleted Lists
*one
**One-two
*two
*three
* Item 1
** Item 1.1
* Item 2
* item 1
* item 2
* item 2.1
* item 2.2
* List
** list
*** list
Numbered Lists
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
1. Item 1
11. Item 2
111. Item 3
1. Item 4
Definition Lists
{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>
; term
: definition
Horizontal Rule
----
----
---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter
----
remove WackoWiki remove TiddlyWiki remove ikiwiki remove XWiki