Foswiki vs. ProWiki vs. Wiki-Toolkit vs. Wikidot

WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]

CamelCase
Wordlinking
{{free link}}
[page labelforlink]

[[[page-name]]] or
[[[page-name|anchor]]]

External Link
http://foswiki.org/ autolink
[[http://foswiki.org/][label]]

http://example.org
InterWiki:page
[some:link labelforlink]

http://www.wikimatrix.org or 
[http://www.wikimatrix.org WikiMatrix]

---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6

= Headline 1 =
== Headline 2 =
=== Headline 3 =
==== Headline 4 =
===== Headline 5 =
====== Headline 6 =

+++ headline level 3

*bold*

'''bold'''

**bold text**

_italic_

''italic''

//italic text//

<u>underline</u>

<u>underlined</u>

__underlined text__

=monospaced text= and
<verbatim>
multi line text
</verbatim>

<tt>monospace</tt>

{{monospaced text}}

<strike>strikethrough</strike>

[[strike]strikethrough text]

--strikethrough text--

<sup>superscript</sup>

<sup>text</sup>

^^superscript^^

<sub>subscript</sub>

<sub>text</sub>

,,subscript,,

%ATTACHURL%/image.png
http://any.domain/image.png
%IMAGE{"image.png"}%

http://example.org/file.jpg
Upload:file.gif
[[Image]...options...]

[[image src="..."]]

| left |   center   |   right |
or HTML
or CSS

only as part of tables or citations
[align:left|center|right]

= Centered line

<blockquote>
multi line text
</blockquote>

: indented line
:: indented line

> First level of indentation
>> Second level of indentation.

* Item 1
* Item 1.1
* Item 2

* bulleted list
** bulleted list

* element 1
* element 2

1. Item 1
a. Item 1.a
1. Item 2

# numbered list
## numbered list

# element 1
# element 1

$ Term: Definition

; term: definition

: item : description

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