TiddlyWiki vs. MediaWiki vs. Oddmuse

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

[[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

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

[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

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

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

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

section
=======

subsection
----------

''bold''

'''bold'''

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

//italic//

''italic''

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

__underline__

<u>underlined</u>

Depending on plugins:
_underline_
__underline__

{{{monospaced}}}

<tt>monospace</tt>

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

--strikethrough--

<s>strikethrough</s>

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

^^superscript^^

<sup>superscript</sup>

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

~~subscript~~

<sub>subscript</sub>

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

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

[[Image:wiki.png]]

http://example.com/pic.jpg

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

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

<center>Centered</center>

no example known

:indent

> quote

<<<
blockquote
<<<

: indented line

Depending on plugins:
> text

[quote]
text
[/quote]

: one
:: two

* Item 1
** Item 1.1
* Item 2

* Item 1
** Item 1.2
* Item 2

* one
** two

# Item 1
## Item 1.1
# Item 2

# Item 1
## Item 1.2
# Item 2

Depending on plugins:
1. one
2. two

# one
## two

; term
: description

; term : definition

Depending on plugins:
; term: definition

----

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Depending on plugins:
----