TiddlyWiki vs. MediaWiki vs. JSPWiki vs. TWiki

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

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

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

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

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

[http://example.org The title]

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

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

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

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

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

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

''bold''

'''bold'''

__bold__

*bold*

//italic//

''italic''

''italics''

_italic_

__underline__

<u>underlined</u>

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

<u>underline</u>

{{{monospaced}}}

<tt>monospace</tt>

{{monospace}}

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

--strikethrough--

<s>strikethrough</s>

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

<strike>strikethrough</strike>

^^superscript^^

<sup>superscript</sup>

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

<sup>superscript</sup>

~~subscript~~

<sub>subscript</sub>

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

<sub>subscript</sub>

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

[[Image:wiki.png]]

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

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

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

<center>Centered</center>

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

| left |   center   |   right |
or HTML
or CSS

:indent

> quote

<<<
blockquote
<<<

: indented line

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

<blockquote>
multi line text
</blockquote>

* Item 1
** Item 1.1
* Item 2

* Item 1
** Item 1.2
* Item 2

* Item 1
** Item 1.1
* Item 2

* Item 1
* Item 1.1
* Item 2

# Item 1
## Item 1.1
# Item 2

# Item 1
## Item 1.2
# Item 2

# Item 1
## Item 1.1
# Item 2

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

; term
: description

; term : definition

;term:definition

$ Term: Definition

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