This is my custom written wiki site. It has been implemented in Free Pascal and is still work in progress.
It allows you to enter raw HTML (for now) and wikitext syntax.
Create pages by linking to Some New Page or Some Other Page
This wiki supports very simple syntax at the moment. This will get extended in the future. For a sample of the syntax look here: wiki syntax or here creole 1.0 syntax
Do not use BODY and HTML and HEAD tags. All your content will go inside the body.
And here is a SandBox to play in.