Monospace 
 mono

No wiki formatting
~np~__No__ formatting~/np~

Italicise text
''italic''

Bold text
__bold__

Bold and italic
__''bold & italic''__

Internal link (within Wikipedia)
((name of page))
((name of page|display text))
{ALINK(aname=section in this page)}label in this page{ALINK}

External link (to other websites)
[http://www.example.com]
[http://www.example.com|display text]
[http://www.example.com|display text|nocache]
[https://security.com|Secure]

Applies only at the beginning of the line
Headings
of different sizes

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

Bullet list

* one
* two
** two point one
* three

Numbered list

# one
# two
## two point one
# three

Thumbnail image

{img src="img/wiki_up/hobbespounce.gif" width="200"}
{img src=show_image.php?name=Wiki.png }

^{maketoc}^

Tables

|| __Header1__ | __Header2__ | __Header3__ || r1c1 | r1c2 | r1c3 || r2c1 | r2c2 | r2c3 ||

|| __Header1__ | __Header2__ | __Header3__ || __Row1 Header__ | r1c2 | r1c3 || __Row2 Header__ | r2c2 | r2c3 ||


No headers:

||r1c1|r1c2||r2c1|r2c2||

Row and Col spans:

||row1-column1|row1-column2|row1-column3||row2-columns123||row3-column1|row3-columns23||

Preformatted:
~pp~This __might__ have some ((Wiki syntax)). That's ignored.~/pp~

Code:
{CODE()}System.out.println("This is code");{CODE}


^
 And what does this white-space starting line mean?
 Is this like a pre tag?
 How does it treat ((Wiki syntax))?
^

Colored text:
~~#FFEE33:some text~~

Underlined:
===underlined===

Title bar:
-=title=-

Centered text
::Centered::

^
Just a panel?
^

{ANAME()}section in this page{ANAME}

Mostly from [http://tikiwiki.org/tiki-index.php?page=WikiSyntax|WikiSyntax]