TiddlyWiki vs. MediaWiki vs. PmWiki vs. WackoWiki

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

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

[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]

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

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

[http://example.org The title]

http://....
[[http://... | link text]]
[[link text -> http://...]]

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

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

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

! Level 1
!!#anchor Level 2
!!! Level 3

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

''bold''

'''bold'''

'''bold'''

**bold**

//italic//

''italic''

''italic''

//italics//

__underline__

<u>underlined</u>

{+underlined+}

__underline__

{{{monospaced}}}

<tt>monospace</tt>

@@monospace@@

##monospace##

--strikethrough--

<s>strikethrough</s>

{-strikethrough-}

--strikethrough--

^^superscript^^

<sup>superscript</sup>

'^superscript^'

^^superscript^^

~~subscript~~

<sub>subscript</sub>

'_subscript_'

vvsubscriptvv

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

[[Image:wiki.png]]

https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption

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

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

<center>Centered</center>

%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame

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

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

:indent

> quote

<<<
blockquote
<<<

: indented line

-> indented text
--> more indentation
-< hanging text
--< more indentation

one
two

* Item 1
** Item 1.1
* Item 2

* Item 1
** Item 1.2
* Item 2

* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2

*one
**One-two
*two
*three

# Item 1
## Item 1.1
# Item 2

# Item 1
## Item 1.2
# Item 2

# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2

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

; term
: description

; term : definition

: term : definition

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

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