MediaWiki vs. Oddmuse vs. PhpWiki vs. TWiki vs. Wicked

[[a link]]
[[a link|with title]]

optional, default on:
[[page name]]

optional, default off:
PageName
[PageName] → [1]
[[[page name]]] → [1]
[PageName text] → text
[[page name|text]] → text

Depending on plugins:
[text](page) → text

WikiWord or [somelink]
[ desc | pagename ]

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

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

[http://example.org The title]

http://example.com/
[http://example.com/] → [1]

optional, default on:
[http://example.com/ text] → text

Depending on plugins:
[text](http://example.com/) → text

http://someserver/someurl
[ desc | exturl ]

http://twiki.org/ autolink
[[http://twiki.org/][label]]

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

==Section==
===Subsection===
====Sub-subsection====

Depending on plugins:
## two
### three
== two ==
=== three ==

section
=======

subsection
----------

!!!Headline1
!!Headline2
!Headline3

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

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

'''bold'''

Depending on plugins:
*bold*
**bold*
'''bold'''

*bold* or
<strong>bold</strong>

*bold*

**bold**

''italic''

Depending on plugins:
*italic*
/italic/
//italic//
''italic''

_italics_ or 
or
<em>italics</em>

_italic_

//italics//

<u>underlined</u>

Depending on plugins:
_underline_
__underline__

<u>underlined</u>

<u>underline</u>

@@+++ underline @@

<tt>monospace</tt>

Depending on plugins:
`mono`
##mono##
[code]mono[/code]
<tt>mono</tt>
<code>mono</code>

<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>

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

{{monospace}}

<s>strikethrough</s>

via bbCode plugin:
[s]strike through[/s]

<strike>striked through</strike>

<strike>strikethrough</strike>

@@--- strikethrough @@

<sup>superscript</sup>

via bbCode plugin:
[sup]superscript[/sup]

<sup>above</sup>

<sup>superscript</sup>

<sub>subscript</sub>

via bbCode plugin:
[sub]subscript[/sub]

<sub>below</sub>

<sub>subscript</sub>

[[Image:wiki.png]]

http://example.com/pic.jpg

Depending on plugins:
[[image:Name|Text|URL]] and variants
![text](URL)

[ http://foo.org/1.jpg size=30%] 
external image
[Upload:view.jpg align=right size=50x40] 
view uploaded image
[Upload:view.jpg | http://server/external-linkjpg ] 
view and link to another image

%ATTACHURL%/image.png
http://any.domain/image.png

local.jpg
http://foo.bar/baz.jpg
[http://foo.bar/baz.jpg Alt text]

<center>Centered</center>

no example known

<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

| left |   center   |   right |
or HTML
or CSS

: indented line

Depending on plugins:
> text

[quote]
text
[/quote]

: one
:: two

;: left indent
;;: more left indent

or 
paragraph
and another level 

<blockquote>
multi line text
</blockquote>

* Item 1
** Item 1.2
* Item 2

* one
** two

* list
or
- list

* Item 1
* Item 1.1
* Item 2

* Bullet one
* Sub-bullet

# Item 1
## Item 1.2
# Item 2

Depending on plugins:
1. one
2. two

# one
## two

# list

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

# Numero uno
# Number two
# Sub-item

; term : definition

Depending on plugins:
; term: definition

Term:<def>
def

$ Term: Definition

: Item 1 : Something
: Item 2 : Something else

----

Depending on plugins:
----

----

---

----