Drupal Wiki vs. DokuWiki vs. XWiki vs. Foswiki vs. Confluence

(Integrated in WYSIWYG-Editor with search in a dialog)
alternatively:
[[#123]]
[[#123][label]] 

[[a Link]]
[[namespace:link]]
[[link|With a Title]]

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)

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

[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]

(Integrated in WYSIWYG-Editor)
alternatively:
[[http://drupal-wiki.com]]
[[http://drupal-wiki.com][label]]

[[http://example.com]]
[[http://example.com|With a Title]]

[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com

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

[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]

(Integrated into the  WYSIWYG-Editor)

====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==

= Headline
== Subheadline
=== Sub-subheadline
==== etc..

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

h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading

(Integrated into the WYSIWYG-Editor)

**bold**

**bold**

*bold*

*bold*

(Integrated into the  WYSIWYG-Editor)

//italics//

//Italics//

_italic_

_italics_

(Integrated into the  WYSIWYG-Editor)

__underlined__

__underline__

<u>underline</u>

+underline+

(Integrated into the  WYSIWYG-Editor)

''monospace''

##monospace##

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

{{monospace}}

(Integrated into the  WYSIWYG-Editor)

<del>strikethrough</del>

--Strike--

<strike>strikethrough</strike>

-strikethrough-

(Integrated into the  WYSIWYG-Editor)

<sup>superscript</sup>

^^superscript^^

<sup>superscript</sup>

^superscript^

(Integrated into the  WYSIWYG-Editor)

<sub>subscript</sub>

,,subscript,,

<sub>subscript</sub>

~subscript~

(Integrated into the  WYSIWYG-Editor)

{{local.jpg}}
{{http://foo.bar/baz.jpg}}

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

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

(Integrated into the  WYSIWYG-Editor)

Plugin

(% style="... css here..." %)Text

| left |   center   |   right |
or HTML
or CSS

(Integrated into the  WYSIWYG-Editor)

N/A

Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text

<blockquote>
multi line text
</blockquote>

(Integrated into the  WYSIWYG-Editor)

* item 1
* item 1.1
* item 2

* List
** list
*** list

* Item 1
* Item 1.1
* Item 2

* one
** one-two
* two
* three

(Integrated into the  WYSIWYG-Editor)

- item 1
- item 1.1
- item 2

1. Item 1
11. Item 2
111. Item 3
1. Item 4

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

# one
## one-two
# two
# three

(Integrated into the  WYSIWYG-Editor)

Plugin

; term
: definition

$ Term: Definition

(Integrated into the  WYSIWYG-Editor)

----

----

---

----