PBwiki vs. XWiki vs. Wikia vs. Zoho Wiki vs. DokuWiki vs. TiddlyWiki

CamelCaseLink or [Free Link]

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)

Automatic Linking, CamelCase, WYSIWYG linking

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

WikiWord (CamelCase)
[[link]]
[[label|link]]

[http://www.externallink.com]

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

Automatic or WYSIWYG linking

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

http://www.example.com
[[label|http://www.example.com]]

! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5
!!!!!! Level 6

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

WYSIWYG with shortcut keys (CTRL + 1, 2, 3, 4, 5, 6)

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

! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5

**bold**

**bold**

WYSIWYG with shortcut key

**bold**

''bold''

''italics''

//Italics//

WYSIWYG with shortcut key

//italics//

//italic//

__underline__

__underline__

WYSIWYG with shortcut key

__underlined__

__underline__

<code>monospace</code>

##monospace##

WYSIWYG

''monospace''

{{{monospaced}}}

-strikethrough-

--Strike--

WYSIWYG

<del>strikethrough</del>

--strikethrough--

<sup>superscript</sup>

^^superscript^^

WYSIWYG

<sup>superscript</sup>

^^superscript^^

<sub>subscript</sub>

,,subscript,,

WYSIWYG

<sub>subscript</sub>

~~subscript~~

[http://www.imagelocation.com/image.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

WYSIWYG Upload, Alignment, and Resizing

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

[img[local.jpg]]
[img[http://foo.bar/foo.jpg]]

<left>, <center>, <right>

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

WYSIWYG with shortcut keys

Plugin

using custom classes, e.g.
{{right{
text
}}}

Indented block

Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text

WYSIWYG

N/A

:indent

> quote

<<<
blockquote
<<<

* Bullet #1
* Bullet #2
** SubBullet #1

* List
** list
*** list

WYSIWYG

* item 1
* item 1.1
* item 2

* Item 1
** Item 1.1
* Item 2

# Number #1
# Number #2

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

WYSIWYG

- item 1
- item 1.1
- item 2

# Item 1
## Item 1.1
# Item 2

<dl>
</dl>

; term
: definition

<dl>
</dl>

Plugin

; term
: description

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WYSIWYG

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