ZuluPad - ZuluPad is a notepad on crack.
Referata - Referata offers hosting of semantic wikis, allowing you to add, structure and store data so it can...
Fandom - The entertainment site where fans come first.
Wiki on a Stick - Self-contained desktop wiki
TiddlyWiki - a non-linear personal web notebook
Zim Wiki - Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.