TracWiki vs. DokuWiki vs. XWiki vs. JSPWiki vs. WackoWiki vs. GWiki

CamelCase
[wiki:ISO9000]
[wiki:TitleIndex Title Index]

[[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)

[link]
[text|link]
[text|wiki:link]

[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase

[path/Page]
[My Title|path/Page]

[http://www.edgewall.com/ Edgewall Software]

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

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

[http://www.example.com/]
[example|http://www.example.com/]
[text|wiki:link]

https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]

[http://example.com]

= Level 1 =
== Level 2 ==
=== Level 3 ===
=== Explicit id === #using-explicit-id-in-heading

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

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

! Level 1
!! Level 2
!!! Level 3

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

h1. Heading 1
h2. Heading 2

'''bold'''

**bold**

**bold**

__bold__

**bold**

*Bold Format*

''italic''

//italics//

//Italics//

''italics''

//italics//

_Italic format_

__underline__

__underlined__

__underline__

%%(text-decoration: underline) text %%

__underline__

+Unterlined+

{{{monospace}}}
`monospace`

''monospace''

##monospace##

{{monospace}}

##monospace##

{{Monospace}}

~~strike-through~~

<del>strikethrough</del>

--Strike--

%%(text-decoration: line-through) deleted text %%

--strikethrough--

-StrikeThrough-

^superscript^

<sup>superscript</sup>

^^superscript^^

%%(vertical-align: sup) text %%

^^superscript^^

^Superscript^

,,subscript,,

<sub>subscript</sub>

,,subscript,,

%%(vertical-align: sub) text %%

vvsubscriptvv

~Subscript~

[[Image(photo.jpg)]]                           # simplest
[[Image(photo.jpg, 120px)]]                    # with size
[[Image(photo.jpg, right)]]                    # aligned by keyword
[[Image(photo.jpg, nolink)]]                   # without link

{{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

[local.jpg]
[{Image src='local.jpg'}]
[{Image src='http://foo.bar/foo.jpg'}]

((image.png))
file:image.png
https://example.com/image.png

!path/SkinSampleGWiki.png!

Plugin

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

%%(text-align: right) text %%

{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%

{div:style=...}
Aligned Text
{div}

N/A

Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text

%%(text-indent: 20px) 20 pixels %%
%%(text-indent: 30%) 30 percent %%

one
two

{div:style=...}
Aligned Text
{div}

* Item 1
* Item 1.1
* Item 1

* item 1
* item 1.1
* item 2

* List
** list
*** list

* Item 1
** Item 1.1
* Item 2

*one
**One-two
*two
*three

- Item 1
- Item 2
-- Sub Item

1. Item 1
1. Item 1.1
1. Item 1

- item 1
- item 1.1
- item 2

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

# Item 1
## Item 1.1
# Item 2

1. numbered List
1. numbered List-2
2.#8 numbered List, with break

# Item 1
# Item 2
## Sub Item

term::
definition

Plugin

; term
: definition

;term:definition

{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}

* Item 1
* Item 2
** Sub Item

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